Home / 54,506,836.10-81,760,254.15-42,413,600.90

Finding the Fourth Proportional to 54,506,836.10, 81,760,254.15 and 42,413,600.90

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Solution

The fourth proportional to 54,506,836.10, 81,760,254.15 and 42,413,600.90 is: 63,620,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,506,836.10 : 81,760,254.15 = 42,413,600.90 : x
  2. Step 2: Convert to fraction form
    54,506,836.10/81,760,254.15 = 42,413,600.90/x
  3. Step 3: Cross multiply
    54,506,836.10x = 81,760,254.15 × 42,413,600.90
  4. Step 4: Simplify right side
    54,506,836.10x = 3,467,746,789,000,669
  5. Step 5: Solve for x
    x = 3,467,746,789,000,669/54,506,836.10
  6. Step 6: Final answer
    x = 63,620,401.35

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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.