Home / 91,405,775.30-126,140,209.45-49,589,838.44

Finding the Fourth Proportional to 91,405,775.30, 126,140,209.45 and 49,589,838.44

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Solution

The fourth proportional to 91,405,775.30, 126,140,209.45 and 49,589,838.44 is: 68,434,107.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,405,775.30 : 126,140,209.45 = 49,589,838.44 : x
  2. Step 2: Convert to fraction form
    91,405,775.30/126,140,209.45 = 49,589,838.44/x
  3. Step 3: Cross multiply
    91,405,775.30x = 126,140,209.45 × 49,589,838.44
  4. Step 4: Simplify right side
    91,405,775.30x = 6,255,272,607,413,261
  5. Step 5: Solve for x
    x = 6,255,272,607,413,261/91,405,775.30
  6. Step 6: Final answer
    x = 68,434,107.00

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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.