Home / 54,432,411.40-81,648,617.10-31,474,160.20

Finding the Fourth Proportional to 54,432,411.40, 81,648,617.10 and 31,474,160.20

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Solution

The fourth proportional to 54,432,411.40, 81,648,617.10 and 31,474,160.20 is: 47,211,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432,411.40 : 81,648,617.10 = 31,474,160.20 : x
  2. Step 2: Convert to fraction form
    54,432,411.40/81,648,617.10 = 31,474,160.20/x
  3. Step 3: Cross multiply
    54,432,411.40x = 81,648,617.10 × 31,474,160.20
  4. Step 4: Simplify right side
    54,432,411.40x = 2,569,821,654,713,859
  5. Step 5: Solve for x
    x = 2,569,821,654,713,859/54,432,411.40
  6. Step 6: Final answer
    x = 47,211,240.30

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1.5x scale

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.