Home / 72,060,663.17-108,123,933.04-39,222,038.05

Finding the Fourth Proportional to 72,060,663.17, 108,123,933.04 and 39,222,038.05

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Solution

The fourth proportional to 72,060,663.17, 108,123,933.04 and 39,222,038.05 is: 58,850,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,060,663.17 : 108,123,933.04 = 39,222,038.05 : x
  2. Step 2: Convert to fraction form
    72,060,663.17/108,123,933.04 = 39,222,038.05/x
  3. Step 3: Cross multiply
    72,060,663.17x = 108,123,933.04 × 39,222,038.05
  4. Step 4: Simplify right side
    72,060,663.17x = 4,240,841,015,442,167
  5. Step 5: Solve for x
    x = 4,240,841,015,442,167/72,060,663.17
  6. Step 6: Final answer
    x = 58,850,985.11

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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.