Home / 91,120,002,293.46-125,745,559,428.96-54,498,117,011.79

Finding the Fourth Proportional to 91,120,002,293.46, 125,745,559,428.96 and 54,498,117,011.79

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Solution

The fourth proportional to 91,120,002,293.46, 125,745,559,428.96 and 54,498,117,011.79 is: 75,207,375,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,120,002,293.46 : 125,745,559,428.96 = 54,498,117,011.79 : x
  2. Step 2: Convert to fraction form
    91,120,002,293.46/125,745,559,428.96 = 54,498,117,011.79/x
  3. Step 3: Cross multiply
    91,120,002,293.46x = 125,745,559,428.96 × 54,498,117,011.79
  4. Step 4: Simplify right side
    91,120,002,293.46x = 6,852,896,211,472,456,089,600
  5. Step 5: Solve for x
    x = 6,852,896,211,472,456,089,600/91,120,002,293.46
  6. Step 6: Final answer
    x = 75,207,375,318.12

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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.