Home / 91,151,366.40-136,705,587.84-26,438,094.72

Finding the Fourth Proportional to 91,151,366.40, 136,705,587.84 and 26,438,094.72

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Solution

The fourth proportional to 91,151,366.40, 136,705,587.84 and 26,438,094.72 is: 39,650,917.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,151,366.40 : 136,705,587.84 = 26,438,094.72 : x
  2. Step 2: Convert to fraction form
    91,151,366.40/136,705,587.84 = 26,438,094.72/x
  3. Step 3: Cross multiply
    91,151,366.40x = 136,705,587.84 × 26,438,094.72
  4. Step 4: Simplify right side
    91,151,366.40x = 3,614,235,280,067,200
  5. Step 5: Solve for x
    x = 3,614,235,280,067,200/91,151,366.40
  6. Step 6: Final answer
    x = 39,650,917.18

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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.