Home / 75,439,423.20-112,991,173.20-65,361,727.20

Finding the Fourth Proportional to 75,439,423.20, 112,991,173.20 and 65,361,727.20

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Solution

The fourth proportional to 75,439,423.20, 112,991,173.20 and 65,361,727.20 is: 97,897,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,439,423.20 : 112,991,173.20 = 65,361,727.20 : x
  2. Step 2: Convert to fraction form
    75,439,423.20/112,991,173.20 = 65,361,727.20/x
  3. Step 3: Cross multiply
    75,439,423.20x = 112,991,173.20 × 65,361,727.20
  4. Step 4: Simplify right side
    75,439,423.20x = 7,385,298,238,706,352
  5. Step 5: Solve for x
    x = 7,385,298,238,706,352/75,439,423.20
  6. Step 6: Final answer
    x = 97,897,066.62

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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.