Home / 91,655,904.72-126,487,545.69-49,842,415.54

Finding the Fourth Proportional to 91,655,904.72, 126,487,545.69 and 49,842,415.54

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Solution

The fourth proportional to 91,655,904.72, 126,487,545.69 and 49,842,415.54 is: 68,783,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,655,904.72 : 126,487,545.69 = 49,842,415.54 : x
  2. Step 2: Convert to fraction form
    91,655,904.72/126,487,545.69 = 49,842,415.54/x
  3. Step 3: Cross multiply
    91,655,904.72x = 126,487,545.69 × 49,842,415.54
  4. Step 4: Simplify right side
    91,655,904.72x = 6,304,444,812,915,716
  5. Step 5: Solve for x
    x = 6,304,444,812,915,716/91,655,904.72
  6. Step 6: Final answer
    x = 68,783,837.03

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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.