Home / 91,713,698.28-126,516,664.53-54,517,521.42

Finding the Fourth Proportional to 91,713,698.28, 126,516,664.53 and 54,517,521.42

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Solution

The fourth proportional to 91,713,698.28, 126,516,664.53 and 54,517,521.42 is: 75,205,504.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,713,698.28 : 126,516,664.53 = 54,517,521.42 : x
  2. Step 2: Convert to fraction form
    91,713,698.28/126,516,664.53 = 54,517,521.42/x
  3. Step 3: Cross multiply
    91,713,698.28x = 126,516,664.53 × 54,517,521.42
  4. Step 4: Simplify right side
    91,713,698.28x = 6,897,374,968,501,230
  5. Step 5: Solve for x
    x = 6,897,374,968,501,230/91,713,698.28
  6. Step 6: Final answer
    x = 75,205,504.72

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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.