Home / 68,688,045.30-103,000,575.15-30,329,814.90

Finding the Fourth Proportional to 68,688,045.30, 103,000,575.15 and 30,329,814.90

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Solution

The fourth proportional to 68,688,045.30, 103,000,575.15 and 30,329,814.90 is: 45,480,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,688,045.30 : 103,000,575.15 = 30,329,814.90 : x
  2. Step 2: Convert to fraction form
    68,688,045.30/103,000,575.15 = 30,329,814.90/x
  3. Step 3: Cross multiply
    68,688,045.30x = 103,000,575.15 × 30,329,814.90
  4. Step 4: Simplify right side
    68,688,045.30x = 3,123,988,378,893,040
  5. Step 5: Solve for x
    x = 3,123,988,378,893,040/68,688,045.30
  6. Step 6: Final answer
    x = 45,480,816.43

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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.