Home / 57,956,145.40-86,934,218.10-42,650,644.60

Finding the Fourth Proportional to 57,956,145.40, 86,934,218.10 and 42,650,644.60

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Solution

The fourth proportional to 57,956,145.40, 86,934,218.10 and 42,650,644.60 is: 63,975,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,956,145.40 : 86,934,218.10 = 42,650,644.60 : x
  2. Step 2: Convert to fraction form
    57,956,145.40/86,934,218.10 = 42,650,644.60/x
  3. Step 3: Cross multiply
    57,956,145.40x = 86,934,218.10 × 42,650,644.60
  4. Step 4: Simplify right side
    57,956,145.40x = 3,707,800,439,761,987
  5. Step 5: Solve for x
    x = 3,707,800,439,761,987/57,956,145.40
  6. Step 6: Final answer
    x = 63,975,966.90

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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.