Home / 91,386,396.24-126,112,480.38-49,570,356.87

Finding the Fourth Proportional to 91,386,396.24, 126,112,480.38 and 49,570,356.87

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Solution

The fourth proportional to 91,386,396.24, 126,112,480.38 and 49,570,356.87 is: 68,406,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,386,396.24 : 126,112,480.38 = 49,570,356.87 : x
  2. Step 2: Convert to fraction form
    91,386,396.24/126,112,480.38 = 49,570,356.87/x
  3. Step 3: Cross multiply
    91,386,396.24x = 126,112,480.38 × 49,570,356.87
  4. Step 4: Simplify right side
    91,386,396.24x = 6,251,440,658,197,473
  5. Step 5: Solve for x
    x = 6,251,440,658,197,473/91,386,396.24
  6. Step 6: Final answer
    x = 68,406,687.60

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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.