Home / 91,655,904.27-126,487,545.12-49,842,415.10

Finding the Fourth Proportional to 91,655,904.27, 126,487,545.12 and 49,842,415.10

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Solution

The fourth proportional to 91,655,904.27, 126,487,545.12 and 49,842,415.10 is: 68,783,836.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,655,904.27 : 126,487,545.12 = 49,842,415.10 : x
  2. Step 2: Convert to fraction form
    91,655,904.27/126,487,545.12 = 49,842,415.10/x
  3. Step 3: Cross multiply
    91,655,904.27x = 126,487,545.12 × 49,842,415.10
  4. Step 4: Simplify right side
    91,655,904.27x = 6,304,444,728,851,020
  5. Step 5: Solve for x
    x = 6,304,444,728,851,020/91,655,904.27
  6. Step 6: Final answer
    x = 68,783,836.45

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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.