Home / 130,379,911.80-195,596,111.70-38,263,471.80

Finding the Fourth Proportional to 130,379,911.80, 195,596,111.70 and 38,263,471.80

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Solution

The fourth proportional to 130,379,911.80, 195,596,111.70 and 38,263,471.80 is: 57,402,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,379,911.80 : 195,596,111.70 = 38,263,471.80 : x
  2. Step 2: Convert to fraction form
    130,379,911.80/195,596,111.70 = 38,263,471.80/x
  3. Step 3: Cross multiply
    130,379,911.80x = 195,596,111.70 × 38,263,471.80
  4. Step 4: Simplify right side
    130,379,911.80x = 7,484,186,304,222,599
  5. Step 5: Solve for x
    x = 7,484,186,304,222,599/130,379,911.80
  6. Step 6: Final answer
    x = 57,402,909.70

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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.