Home / 165,586,346,981.70-248,379,520,472.55-71,304,462,053.70

Finding the Fourth Proportional to 165,586,346,981.70, 248,379,520,472.55 and 71,304,462,053.70

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Solution

The fourth proportional to 165,586,346,981.70, 248,379,520,472.55 and 71,304,462,053.70 is: 106,956,693,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,586,346,981.70 : 248,379,520,472.55 = 71,304,462,053.70 : x
  2. Step 2: Convert to fraction form
    165,586,346,981.70/248,379,520,472.55 = 71,304,462,053.70/x
  3. Step 3: Cross multiply
    165,586,346,981.70x = 248,379,520,472.55 × 71,304,462,053.70
  4. Step 4: Simplify right side
    165,586,346,981.70x = 17,710,568,092,451,142,107,136
  5. Step 5: Solve for x
    x = 17,710,568,092,451,142,107,136/165,586,346,981.70
  6. Step 6: Final answer
    x = 106,956,693,080.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.