Home / 42,570,002.70-63,863,298.45-17,006,661.90

Finding the Fourth Proportional to 42,570,002.70, 63,863,298.45 and 17,006,661.90

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Solution

The fourth proportional to 42,570,002.70, 63,863,298.45 and 17,006,661.90 is: 25,513,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,570,002.70 : 63,863,298.45 = 17,006,661.90 : x
  2. Step 2: Convert to fraction form
    42,570,002.70/63,863,298.45 = 17,006,661.90/x
  3. Step 3: Cross multiply
    42,570,002.70x = 63,863,298.45 × 17,006,661.90
  4. Step 4: Simplify right side
    42,570,002.70x = 1,086,101,524,557,944
  5. Step 5: Solve for x
    x = 1,086,101,524,557,944/42,570,002.70
  6. Step 6: Final answer
    x = 25,513,306.45

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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.