Home / 129,861,089-179,213,936.10-71,914,337

Finding the Fourth Proportional to 129,861,089, 179,213,936.10 and 71,914,337

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Solution

The fourth proportional to 129,861,089, 179,213,936.10 and 71,914,337 is: 99,244,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,861,089 : 179,213,936.10 = 71,914,337 : x
  2. Step 2: Convert to fraction form
    129,861,089/179,213,936.10 = 71,914,337/x
  3. Step 3: Cross multiply
    129,861,089x = 179,213,936.10 × 71,914,337
  4. Step 4: Simplify right side
    129,861,089x = 12,888,051,395,791,866
  5. Step 5: Solve for x
    x = 12,888,051,395,791,866/129,861,089
  6. Step 6: Final answer
    x = 99,244,904.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.