Home / 64,488,308.80-96,732,463.20-38,979,140.80

Finding the Fourth Proportional to 64,488,308.80, 96,732,463.20 and 38,979,140.80

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Solution

The fourth proportional to 64,488,308.80, 96,732,463.20 and 38,979,140.80 is: 58,468,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,488,308.80 : 96,732,463.20 = 38,979,140.80 : x
  2. Step 2: Convert to fraction form
    64,488,308.80/96,732,463.20 = 38,979,140.80/x
  3. Step 3: Cross multiply
    64,488,308.80x = 96,732,463.20 × 38,979,140.80
  4. Step 4: Simplify right side
    64,488,308.80x = 3,770,548,303,003,618.50
  5. Step 5: Solve for x
    x = 3,770,548,303,003,618.50/64,488,308.80
  6. Step 6: Final answer
    x = 58,468,711.20

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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.