Home / 129,366,015.76-178,522,373.68-70,625,842.03

Finding the Fourth Proportional to 129,366,015.76, 178,522,373.68 and 70,625,842.03

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Solution

The fourth proportional to 129,366,015.76, 178,522,373.68 and 70,625,842.03 is: 97,462,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,366,015.76 : 178,522,373.68 = 70,625,842.03 : x
  2. Step 2: Convert to fraction form
    129,366,015.76/178,522,373.68 = 70,625,842.03/x
  3. Step 3: Cross multiply
    129,366,015.76x = 178,522,373.68 × 70,625,842.03
  4. Step 4: Simplify right side
    129,366,015.76x = 12,608,292,962,344,310
  5. Step 5: Solve for x
    x = 12,608,292,962,344,310/129,366,015.76
  6. Step 6: Final answer
    x = 97,462,172.64

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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.