Home / 91,156,920.32-125,796,554.32-49,903,812.64

Finding the Fourth Proportional to 91,156,920.32, 125,796,554.32 and 49,903,812.64

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Solution

The fourth proportional to 91,156,920.32, 125,796,554.32 and 49,903,812.64 is: 68,867,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,156,920.32 : 125,796,554.32 = 49,903,812.64 : x
  2. Step 2: Convert to fraction form
    91,156,920.32/125,796,554.32 = 49,903,812.64/x
  3. Step 3: Cross multiply
    91,156,920.32x = 125,796,554.32 × 49,903,812.64
  4. Step 4: Simplify right side
    91,156,920.32x = 6,277,727,677,542,862
  5. Step 5: Solve for x
    x = 6,277,727,677,542,862/91,156,920.32
  6. Step 6: Final answer
    x = 68,867,263.79

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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.