Home / 91,180,174.42-125,828,693.01-49,364,250.55

Finding the Fourth Proportional to 91,180,174.42, 125,828,693.01 and 49,364,250.55

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Solution

The fourth proportional to 91,180,174.42, 125,828,693.01 and 49,364,250.55 is: 68,122,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,180,174.42 : 125,828,693.01 = 49,364,250.55 : x
  2. Step 2: Convert to fraction form
    91,180,174.42/125,828,693.01 = 49,364,250.55/x
  3. Step 3: Cross multiply
    91,180,174.42x = 125,828,693.01 × 49,364,250.55
  4. Step 4: Simplify right side
    91,180,174.42x = 6,211,439,128,124,674
  5. Step 5: Solve for x
    x = 6,211,439,128,124,674/91,180,174.42
  6. Step 6: Final answer
    x = 68,122,694.08

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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.