Home / 91,787,089.14-126,666,945.72-49,971,441.24

Finding the Fourth Proportional to 91,787,089.14, 126,666,945.72 and 49,971,441.24

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Solution

The fourth proportional to 91,787,089.14, 126,666,945.72 and 49,971,441.24 is: 68,961,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,787,089.14 : 126,666,945.72 = 49,971,441.24 : x
  2. Step 2: Convert to fraction form
    91,787,089.14/126,666,945.72 = 49,971,441.24/x
  3. Step 3: Cross multiply
    91,787,089.14x = 126,666,945.72 × 49,971,441.24
  4. Step 4: Simplify right side
    91,787,089.14x = 6,329,729,835,097,250
  5. Step 5: Solve for x
    x = 6,329,729,835,097,250/91,787,089.14
  6. Step 6: Final answer
    x = 68,961,004.15

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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.