Home / 91,826,628.30-137,889,241.65-66,445,764.30

Finding the Fourth Proportional to 91,826,628.30, 137,889,241.65 and 66,445,764.30

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Solution

The fourth proportional to 91,826,628.30, 137,889,241.65 and 66,445,764.30 is: 99,776,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,826,628.30 : 137,889,241.65 = 66,445,764.30 : x
  2. Step 2: Convert to fraction form
    91,826,628.30/137,889,241.65 = 66,445,764.30/x
  3. Step 3: Cross multiply
    91,826,628.30x = 137,889,241.65 × 66,445,764.30
  4. Step 4: Simplify right side
    91,826,628.30x = 9,162,156,050,181,644
  5. Step 5: Solve for x
    x = 9,162,156,050,181,644/91,826,628.30
  6. Step 6: Final answer
    x = 99,776,679.38

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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.