Home / 126,120,207.12-174,050,186.04-73,192,841.52

Finding the Fourth Proportional to 126,120,207.12, 174,050,186.04 and 73,192,841.52

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Solution

The fourth proportional to 126,120,207.12, 174,050,186.04 and 73,192,841.52 is: 101,008,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,120,207.12 : 174,050,186.04 = 73,192,841.52 : x
  2. Step 2: Convert to fraction form
    126,120,207.12/174,050,186.04 = 73,192,841.52/x
  3. Step 3: Cross multiply
    126,120,207.12x = 174,050,186.04 × 73,192,841.52
  4. Step 4: Simplify right side
    126,120,207.12x = 12,739,227,683,352,236
  5. Step 5: Solve for x
    x = 12,739,227,683,352,236/126,120,207.12
  6. Step 6: Final answer
    x = 101,008,616.89

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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.