Home / 91,827,339.30-137,890,308.15-66,446,475.30

Finding the Fourth Proportional to 91,827,339.30, 137,890,308.15 and 66,446,475.30

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Solution

The fourth proportional to 91,827,339.30, 137,890,308.15 and 66,446,475.30 is: 99,777,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,827,339.30 : 137,890,308.15 = 66,446,475.30 : x
  2. Step 2: Convert to fraction form
    91,827,339.30/137,890,308.15 = 66,446,475.30/x
  3. Step 3: Cross multiply
    91,827,339.30x = 137,890,308.15 × 66,446,475.30
  4. Step 4: Simplify right side
    91,827,339.30x = 9,162,324,954,598,364
  5. Step 5: Solve for x
    x = 9,162,324,954,598,364/91,827,339.30
  6. Step 6: Final answer
    x = 99,777,746.20

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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.