Home / 145,156,671.30-217,735,006.95-133,567,320.90

Finding the Fourth Proportional to 145,156,671.30, 217,735,006.95 and 133,567,320.90

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Solution

The fourth proportional to 145,156,671.30, 217,735,006.95 and 133,567,320.90 is: 200,350,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,671.30 : 217,735,006.95 = 133,567,320.90 : x
  2. Step 2: Convert to fraction form
    145,156,671.30/217,735,006.95 = 133,567,320.90/x
  3. Step 3: Cross multiply
    145,156,671.30x = 217,735,006.95 × 133,567,320.90
  4. Step 4: Simplify right side
    145,156,671.30x = 29,082,281,544,454,380
  5. Step 5: Solve for x
    x = 29,082,281,544,454,380/145,156,671.30
  6. Step 6: Final answer
    x = 200,350,981.35

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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.