Home / 80,150,281.64-120,303,166.16-38,680,342.02

Finding the Fourth Proportional to 80,150,281.64, 120,303,166.16 and 38,680,342.02

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Solution

The fourth proportional to 80,150,281.64, 120,303,166.16 and 38,680,342.02 is: 58,058,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,150,281.64 : 120,303,166.16 = 38,680,342.02 : x
  2. Step 2: Convert to fraction form
    80,150,281.64/120,303,166.16 = 38,680,342.02/x
  3. Step 3: Cross multiply
    80,150,281.64x = 120,303,166.16 × 38,680,342.02
  4. Step 4: Simplify right side
    80,150,281.64x = 4,653,367,612,362,773
  5. Step 5: Solve for x
    x = 4,653,367,612,362,773/80,150,281.64
  6. Step 6: Final answer
    x = 58,058,031.95

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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.