Home / 120,250,801.80-180,482,490.90-103,032,113.40

Finding the Fourth Proportional to 120,250,801.80, 180,482,490.90 and 103,032,113.40

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Solution

The fourth proportional to 120,250,801.80, 180,482,490.90 and 103,032,113.40 is: 154,639,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,250,801.80 : 180,482,490.90 = 103,032,113.40 : x
  2. Step 2: Convert to fraction form
    120,250,801.80/180,482,490.90 = 103,032,113.40/x
  3. Step 3: Cross multiply
    120,250,801.80x = 180,482,490.90 × 103,032,113.40
  4. Step 4: Simplify right side
    120,250,801.80x = 18,595,492,469,123,268
  5. Step 5: Solve for x
    x = 18,595,492,469,123,268/120,250,801.80
  6. Step 6: Final answer
    x = 154,639,238.91

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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.