Home / 126,029,595.40-189,044,393.10-39,776,721.10

Finding the Fourth Proportional to 126,029,595.40, 189,044,393.10 and 39,776,721.10

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Solution

The fourth proportional to 126,029,595.40, 189,044,393.10 and 39,776,721.10 is: 59,665,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029,595.40 : 189,044,393.10 = 39,776,721.10 : x
  2. Step 2: Convert to fraction form
    126,029,595.40/189,044,393.10 = 39,776,721.10/x
  3. Step 3: Cross multiply
    126,029,595.40x = 189,044,393.10 × 39,776,721.10
  4. Step 4: Simplify right side
    126,029,595.40x = 7,519,566,099,857,464
  5. Step 5: Solve for x
    x = 7,519,566,099,857,464/126,029,595.40
  6. Step 6: Final answer
    x = 59,665,081.65

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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.