Home / 126,377,911.80-189,566,867.70-109,371,799.80

Finding the Fourth Proportional to 126,377,911.80, 189,566,867.70 and 109,371,799.80

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Solution

The fourth proportional to 126,377,911.80, 189,566,867.70 and 109,371,799.80 is: 164,057,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,377,911.80 : 189,566,867.70 = 109,371,799.80 : x
  2. Step 2: Convert to fraction form
    126,377,911.80/189,566,867.70 = 109,371,799.80/x
  3. Step 3: Cross multiply
    126,377,911.80x = 189,566,867.70 × 109,371,799.80
  4. Step 4: Simplify right side
    126,377,911.80x = 20,733,269,502,797,484
  5. Step 5: Solve for x
    x = 20,733,269,502,797,484/126,377,911.80
  6. Step 6: Final answer
    x = 164,057,699.70

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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.