Home / 132,192,088.41-198,321,768.67-77,650,801.59

Finding the Fourth Proportional to 132,192,088.41, 198,321,768.67 and 77,650,801.59

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Solution

The fourth proportional to 132,192,088.41, 198,321,768.67 and 77,650,801.59 is: 116,495,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,192,088.41 : 198,321,768.67 = 77,650,801.59 : x
  2. Step 2: Convert to fraction form
    132,192,088.41/198,321,768.67 = 77,650,801.59/x
  3. Step 3: Cross multiply
    132,192,088.41x = 198,321,768.67 × 77,650,801.59
  4. Step 4: Simplify right side
    132,192,088.41x = 15,399,844,308,980,438
  5. Step 5: Solve for x
    x = 15,399,844,308,980,438/132,192,088.41
  6. Step 6: Final answer
    x = 116,495,960.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.