Home / 137,301,615.30-205,952,422.95-72,580,412.10

Finding the Fourth Proportional to 137,301,615.30, 205,952,422.95 and 72,580,412.10

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Solution

The fourth proportional to 137,301,615.30, 205,952,422.95 and 72,580,412.10 is: 108,870,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,301,615.30 : 205,952,422.95 = 72,580,412.10 : x
  2. Step 2: Convert to fraction form
    137,301,615.30/205,952,422.95 = 72,580,412.10/x
  3. Step 3: Cross multiply
    137,301,615.30x = 205,952,422.95 × 72,580,412.10
  4. Step 4: Simplify right side
    137,301,615.30x = 14,948,111,730,704,496
  5. Step 5: Solve for x
    x = 14,948,111,730,704,496/137,301,615.30
  6. Step 6: Final answer
    x = 108,870,618.15

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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.