Home / 72,505,547.82-100,060,296.50-39,464,199.95

Finding the Fourth Proportional to 72,505,547.82, 100,060,296.50 and 39,464,199.95

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Solution

The fourth proportional to 72,505,547.82, 100,060,296.50 and 39,464,199.95 is: 54,462,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,505,547.82 : 100,060,296.50 = 39,464,199.95 : x
  2. Step 2: Convert to fraction form
    72,505,547.82/100,060,296.50 = 39,464,199.95/x
  3. Step 3: Cross multiply
    72,505,547.82x = 100,060,296.50 × 39,464,199.95
  4. Step 4: Simplify right side
    72,505,547.82x = 3,948,799,547,730,644
  5. Step 5: Solve for x
    x = 3,948,799,547,730,644/72,505,547.82
  6. Step 6: Final answer
    x = 54,462,033.13

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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.