Home / 120,250,810.30-180,482,503.65-103,032,121.90

Finding the Fourth Proportional to 120,250,810.30, 180,482,503.65 and 103,032,121.90

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Solution

The fourth proportional to 120,250,810.30, 180,482,503.65 and 103,032,121.90 is: 154,639,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,250,810.30 : 180,482,503.65 = 103,032,121.90 : x
  2. Step 2: Convert to fraction form
    120,250,810.30/180,482,503.65 = 103,032,121.90/x
  3. Step 3: Cross multiply
    120,250,810.30x = 180,482,503.65 × 103,032,121.90
  4. Step 4: Simplify right side
    120,250,810.30x = 18,595,495,316,883,996
  5. Step 5: Solve for x
    x = 18,595,495,316,883,996/120,250,810.30
  6. Step 6: Final answer
    x = 154,639,251.66

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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.