Home / 130,387,947.60-195,581,921.40-39,499,726.80

Finding the Fourth Proportional to 130,387,947.60, 195,581,921.40 and 39,499,726.80

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Solution

The fourth proportional to 130,387,947.60, 195,581,921.40 and 39,499,726.80 is: 59,249,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,387,947.60 : 195,581,921.40 = 39,499,726.80 : x
  2. Step 2: Convert to fraction form
    130,387,947.60/195,581,921.40 = 39,499,726.80/x
  3. Step 3: Cross multiply
    130,387,947.60x = 195,581,921.40 × 39,499,726.80
  4. Step 4: Simplify right side
    130,387,947.60x = 7,725,432,462,319,073
  5. Step 5: Solve for x
    x = 7,725,432,462,319,073/130,387,947.60
  6. Step 6: Final answer
    x = 59,249,590.20

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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.