Home / 243,576,397.15-365,346,222.43-77,573,193.61

Finding the Fourth Proportional to 243,576,397.15, 365,346,222.43 and 77,573,193.61

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Solution

The fourth proportional to 243,576,397.15, 365,346,222.43 and 77,573,193.61 is: 116,353,938.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,576,397.15 : 365,346,222.43 = 77,573,193.61 : x
  2. Step 2: Convert to fraction form
    243,576,397.15/365,346,222.43 = 77,573,193.61/x
  3. Step 3: Cross multiply
    243,576,397.15x = 365,346,222.43 × 77,573,193.61
  4. Step 4: Simplify right side
    243,576,397.15x = 28,341,073,247,244,516
  5. Step 5: Solve for x
    x = 28,341,073,247,244,516/243,576,397.15
  6. Step 6: Final answer
    x = 116,353,938.96

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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.