Home / 72,534,411.40-108,707,138.70-29,368,280.20

Finding the Fourth Proportional to 72,534,411.40, 108,707,138.70 and 29,368,280.20

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Solution

The fourth proportional to 72,534,411.40, 108,707,138.70 and 29,368,280.20 is: 44,014,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,534,411.40 : 108,707,138.70 = 29,368,280.20 : x
  2. Step 2: Convert to fraction form
    72,534,411.40/108,707,138.70 = 29,368,280.20/x
  3. Step 3: Cross multiply
    72,534,411.40x = 108,707,138.70 × 29,368,280.20
  4. Step 4: Simplify right side
    72,534,411.40x = 3,192,541,709,081,863.50
  5. Step 5: Solve for x
    x = 3,192,541,709,081,863.50/72,534,411.40
  6. Step 6: Final answer
    x = 44,014,167.17

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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.