Home / 72,436,038.30-108,654,057.45-23,921,379.90

Finding the Fourth Proportional to 72,436,038.30, 108,654,057.45 and 23,921,379.90

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Solution

The fourth proportional to 72,436,038.30, 108,654,057.45 and 23,921,379.90 is: 35,882,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,436,038.30 : 108,654,057.45 = 23,921,379.90 : x
  2. Step 2: Convert to fraction form
    72,436,038.30/108,654,057.45 = 23,921,379.90/x
  3. Step 3: Cross multiply
    72,436,038.30x = 108,654,057.45 × 23,921,379.90
  4. Step 4: Simplify right side
    72,436,038.30x = 2,599,154,985,937,875
  5. Step 5: Solve for x
    x = 2,599,154,985,937,875/72,436,038.30
  6. Step 6: Final answer
    x = 35,882,069.85

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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.