Home / 82,933,058.40-124,399,587.60-39,794,920.80

Finding the Fourth Proportional to 82,933,058.40, 124,399,587.60 and 39,794,920.80

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Solution

The fourth proportional to 82,933,058.40, 124,399,587.60 and 39,794,920.80 is: 59,692,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,933,058.40 : 124,399,587.60 = 39,794,920.80 : x
  2. Step 2: Convert to fraction form
    82,933,058.40/124,399,587.60 = 39,794,920.80/x
  3. Step 3: Cross multiply
    82,933,058.40x = 124,399,587.60 × 39,794,920.80
  4. Step 4: Simplify right side
    82,933,058.40x = 4,950,471,736,094,661
  5. Step 5: Solve for x
    x = 4,950,471,736,094,661/82,933,058.40
  6. Step 6: Final answer
    x = 59,692,381.20

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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.