Home / 145,213,340.10-217,820,010.15-112,334,856.90

Finding the Fourth Proportional to 145,213,340.10, 217,820,010.15 and 112,334,856.90

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Solution

The fourth proportional to 145,213,340.10, 217,820,010.15 and 112,334,856.90 is: 168,502,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,213,340.10 : 217,820,010.15 = 112,334,856.90 : x
  2. Step 2: Convert to fraction form
    145,213,340.10/217,820,010.15 = 112,334,856.90/x
  3. Step 3: Cross multiply
    145,213,340.10x = 217,820,010.15 × 112,334,856.90
  4. Step 4: Simplify right side
    145,213,340.10x = 24,468,779,670,156,800
  5. Step 5: Solve for x
    x = 24,468,779,670,156,800/145,213,340.10
  6. Step 6: Final answer
    x = 168,502,285.35

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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.