Home / 55,140,057.90-82,736,658.90-38,931,107.40

Finding the Fourth Proportional to 55,140,057.90, 82,736,658.90 and 38,931,107.40

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Solution

The fourth proportional to 55,140,057.90, 82,736,658.90 and 38,931,107.40 is: 58,415,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,140,057.90 : 82,736,658.90 = 38,931,107.40 : x
  2. Step 2: Convert to fraction form
    55,140,057.90/82,736,658.90 = 38,931,107.40/x
  3. Step 3: Cross multiply
    55,140,057.90x = 82,736,658.90 × 38,931,107.40
  4. Step 4: Simplify right side
    55,140,057.90x = 3,221,029,753,553,066
  5. Step 5: Solve for x
    x = 3,221,029,753,553,066/55,140,057.90
  6. Step 6: Final answer
    x = 58,415,422.04

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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.