Home / 90,182,559.77-124,414,937.58-54,872,058.15

Finding the Fourth Proportional to 90,182,559.77, 124,414,937.58 and 54,872,058.15

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Solution

The fourth proportional to 90,182,559.77, 124,414,937.58 and 54,872,058.15 is: 75,700,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,182,559.77 : 124,414,937.58 = 54,872,058.15 : x
  2. Step 2: Convert to fraction form
    90,182,559.77/124,414,937.58 = 54,872,058.15/x
  3. Step 3: Cross multiply
    90,182,559.77x = 124,414,937.58 × 54,872,058.15
  4. Step 4: Simplify right side
    90,182,559.77x = 6,826,903,689,824,150
  5. Step 5: Solve for x
    x = 6,826,903,689,824,150/90,182,559.77
  6. Step 6: Final answer
    x = 75,700,930.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.