Home / 126,042,768.05-173,939,778.14-70,291,708.16

Finding the Fourth Proportional to 126,042,768.05, 173,939,778.14 and 70,291,708.16

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Solution

The fourth proportional to 126,042,768.05, 173,939,778.14 and 70,291,708.16 is: 97,002,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,042,768.05 : 173,939,778.14 = 70,291,708.16 : x
  2. Step 2: Convert to fraction form
    126,042,768.05/173,939,778.14 = 70,291,708.16/x
  3. Step 3: Cross multiply
    126,042,768.05x = 173,939,778.14 × 70,291,708.16
  4. Step 4: Simplify right side
    126,042,768.05x = 12,226,524,121,210,870
  5. Step 5: Solve for x
    x = 12,226,524,121,210,870/126,042,768.05
  6. Step 6: Final answer
    x = 97,002,980.11

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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.