Home / 152,454,890.92-210,387,291.44-82,840,484.20

Finding the Fourth Proportional to 152,454,890.92, 210,387,291.44 and 82,840,484.20

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Solution

The fourth proportional to 152,454,890.92, 210,387,291.44 and 82,840,484.20 is: 114,319,619.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,454,890.92 : 210,387,291.44 = 82,840,484.20 : x
  2. Step 2: Convert to fraction form
    152,454,890.92/210,387,291.44 = 82,840,484.20/x
  3. Step 3: Cross multiply
    152,454,890.92x = 210,387,291.44 × 82,840,484.20
  4. Step 4: Simplify right side
    152,454,890.92x = 17,428,585,092,416,116
  5. Step 5: Solve for x
    x = 17,428,585,092,416,116/152,454,890.92
  6. Step 6: Final answer
    x = 114,319,619.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.