Home / 31,250,138.10-46,875,207.15-19,156,902.90

Finding the Fourth Proportional to 31,250,138.10, 46,875,207.15 and 19,156,902.90

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Solution

The fourth proportional to 31,250,138.10, 46,875,207.15 and 19,156,902.90 is: 28,735,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,250,138.10 : 46,875,207.15 = 19,156,902.90 : x
  2. Step 2: Convert to fraction form
    31,250,138.10/46,875,207.15 = 19,156,902.90/x
  3. Step 3: Cross multiply
    31,250,138.10x = 46,875,207.15 × 19,156,902.90
  4. Step 4: Simplify right side
    31,250,138.10x = 897,983,791,789,935.62
  5. Step 5: Solve for x
    x = 897,983,791,789,935.62/31,250,138.10
  6. Step 6: Final answer
    x = 28,735,354.35

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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.