Home / 120,250,805.80-180,482,496.90-103,032,117.40

Finding the Fourth Proportional to 120,250,805.80, 180,482,496.90 and 103,032,117.40

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Solution

The fourth proportional to 120,250,805.80, 180,482,496.90 and 103,032,117.40 is: 154,639,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,250,805.80 : 180,482,496.90 = 103,032,117.40 : x
  2. Step 2: Convert to fraction form
    120,250,805.80/180,482,496.90 = 103,032,117.40/x
  3. Step 3: Cross multiply
    120,250,805.80x = 180,482,496.90 × 103,032,117.40
  4. Step 4: Simplify right side
    120,250,805.80x = 18,595,493,809,245,936
  5. Step 5: Solve for x
    x = 18,595,493,809,245,936/120,250,805.80
  6. Step 6: Final answer
    x = 154,639,244.91

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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.