Home / 68,989,666.26-103,484,499.50-28,039,511.19

Finding the Fourth Proportional to 68,989,666.26, 103,484,499.50 and 28,039,511.19

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Solution

The fourth proportional to 68,989,666.26, 103,484,499.50 and 28,039,511.19 is: 42,059,266.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,989,666.26 : 103,484,499.50 = 28,039,511.19 : x
  2. Step 2: Convert to fraction form
    68,989,666.26/103,484,499.50 = 28,039,511.19/x
  3. Step 3: Cross multiply
    68,989,666.26x = 103,484,499.50 × 28,039,511.19
  4. Step 4: Simplify right side
    68,989,666.26x = 2,901,654,781,840,313
  5. Step 5: Solve for x
    x = 2,901,654,781,840,313/68,989,666.26
  6. Step 6: Final answer
    x = 42,059,266.83

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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.