Home / 68,096,601.90-102,144,902.85-42,566,438.70

Finding the Fourth Proportional to 68,096,601.90, 102,144,902.85 and 42,566,438.70

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Solution

The fourth proportional to 68,096,601.90, 102,144,902.85 and 42,566,438.70 is: 63,849,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,096,601.90 : 102,144,902.85 = 42,566,438.70 : x
  2. Step 2: Convert to fraction form
    68,096,601.90/102,144,902.85 = 42,566,438.70/x
  3. Step 3: Cross multiply
    68,096,601.90x = 102,144,902.85 × 42,566,438.70
  4. Step 4: Simplify right side
    68,096,601.90x = 4,347,944,745,681,980.50
  5. Step 5: Solve for x
    x = 4,347,944,745,681,980.50/68,096,601.90
  6. Step 6: Final answer
    x = 63,849,658.05

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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.