Home / 91,137,091.52-125,770,368.12-49,883,098.16

Finding the Fourth Proportional to 91,137,091.52, 125,770,368.12 and 49,883,098.16

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Solution

The fourth proportional to 91,137,091.52, 125,770,368.12 and 49,883,098.16 is: 68,839,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,137,091.52 : 125,770,368.12 = 49,883,098.16 : x
  2. Step 2: Convert to fraction form
    91,137,091.52/125,770,368.12 = 49,883,098.16/x
  3. Step 3: Cross multiply
    91,137,091.52x = 125,770,368.12 × 49,883,098.16
  4. Step 4: Simplify right side
    91,137,091.52x = 6,273,815,618,549,294
  5. Step 5: Solve for x
    x = 6,273,815,618,549,294/91,137,091.52
  6. Step 6: Final answer
    x = 68,839,322.32

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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.