Home / 91,679,538-126,535,734.72-52,547,542.95

Finding the Fourth Proportional to 91,679,538, 126,535,734.72 and 52,547,542.95

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Solution

The fourth proportional to 91,679,538, 126,535,734.72 and 52,547,542.95 is: 72,525,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,679,538 : 126,535,734.72 = 52,547,542.95 : x
  2. Step 2: Convert to fraction form
    91,679,538/126,535,734.72 = 52,547,542.95/x
  3. Step 3: Cross multiply
    91,679,538x = 126,535,734.72 × 52,547,542.95
  4. Step 4: Simplify right side
    91,679,538x = 6,649,141,954,909,007
  5. Step 5: Solve for x
    x = 6,649,141,954,909,007/91,679,538
  6. Step 6: Final answer
    x = 72,525,910.36

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1.5x scale

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.