Home / 103,695,492.80-155,434,589.39-48,317,671.65

Finding the Fourth Proportional to 103,695,492.80, 155,434,589.39 and 48,317,671.65

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Solution

The fourth proportional to 103,695,492.80, 155,434,589.39 and 48,317,671.65 is: 72,425,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,695,492.80 : 155,434,589.39 = 48,317,671.65 : x
  2. Step 2: Convert to fraction form
    103,695,492.80/155,434,589.39 = 48,317,671.65/x
  3. Step 3: Cross multiply
    103,695,492.80x = 155,434,589.39 × 48,317,671.65
  4. Step 4: Simplify right side
    103,695,492.80x = 7,510,237,452,957,005
  5. Step 5: Solve for x
    x = 7,510,237,452,957,005/103,695,492.80
  6. Step 6: Final answer
    x = 72,425,881.30

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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.