Home / 231,016,377.03-318,802,603.95-126,598,557.75

Finding the Fourth Proportional to 231,016,377.03, 318,802,603.95 and 126,598,557.75

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Solution

The fourth proportional to 231,016,377.03, 318,802,603.95 and 126,598,557.75 is: 174,706,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,016,377.03 : 318,802,603.95 = 126,598,557.75 : x
  2. Step 2: Convert to fraction form
    231,016,377.03/318,802,603.95 = 126,598,557.75/x
  3. Step 3: Cross multiply
    231,016,377.03x = 318,802,603.95 × 126,598,557.75
  4. Step 4: Simplify right side
    231,016,377.03x = 40,359,949,867,014,448
  5. Step 5: Solve for x
    x = 40,359,949,867,014,448/231,016,377.03
  6. Step 6: Final answer
    x = 174,706,011.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.