Home / 120,250,695.80-180,482,331.90-103,032,007.40

Finding the Fourth Proportional to 120,250,695.80, 180,482,331.90 and 103,032,007.40

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Solution

The fourth proportional to 120,250,695.80, 180,482,331.90 and 103,032,007.40 is: 154,639,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,250,695.80 : 180,482,331.90 = 103,032,007.40 : x
  2. Step 2: Convert to fraction form
    120,250,695.80/180,482,331.90 = 103,032,007.40/x
  3. Step 3: Cross multiply
    120,250,695.80x = 180,482,331.90 × 103,032,007.40
  4. Step 4: Simplify right side
    120,250,695.80x = 18,595,456,955,890,056
  5. Step 5: Solve for x
    x = 18,595,456,955,890,056/120,250,695.80
  6. Step 6: Final answer
    x = 154,639,079.90

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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.