Home / 72,592,985.70-108,889,478.55-36,313,280.10

Finding the Fourth Proportional to 72,592,985.70, 108,889,478.55 and 36,313,280.10

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Solution

The fourth proportional to 72,592,985.70, 108,889,478.55 and 36,313,280.10 is: 54,469,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,592,985.70 : 108,889,478.55 = 36,313,280.10 : x
  2. Step 2: Convert to fraction form
    72,592,985.70/108,889,478.55 = 36,313,280.10/x
  3. Step 3: Cross multiply
    72,592,985.70x = 108,889,478.55 × 36,313,280.10
  4. Step 4: Simplify right side
    72,592,985.70x = 3,954,134,134,529,092
  5. Step 5: Solve for x
    x = 3,954,134,134,529,092/72,592,985.70
  6. Step 6: Final answer
    x = 54,469,920.15

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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.