Home / 83,078,412.15-124,622,932.40-31,960,430.97

Finding the Fourth Proportional to 83,078,412.15, 124,622,932.40 and 31,960,430.97

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Solution

The fourth proportional to 83,078,412.15, 124,622,932.40 and 31,960,430.97 is: 47,942,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,078,412.15 : 124,622,932.40 = 31,960,430.97 : x
  2. Step 2: Convert to fraction form
    83,078,412.15/124,622,932.40 = 31,960,430.97/x
  3. Step 3: Cross multiply
    83,078,412.15x = 124,622,932.40 × 31,960,430.97
  4. Step 4: Simplify right side
    83,078,412.15x = 3,983,002,628,249,176.50
  5. Step 5: Solve for x
    x = 3,983,002,628,249,176.50/83,078,412.15
  6. Step 6: Final answer
    x = 47,942,690.83

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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.