Home / 78,691,190.40-118,036,785.60-27,566,566.20

Finding the Fourth Proportional to 78,691,190.40, 118,036,785.60 and 27,566,566.20

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Solution

The fourth proportional to 78,691,190.40, 118,036,785.60 and 27,566,566.20 is: 41,349,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,691,190.40 : 118,036,785.60 = 27,566,566.20 : x
  2. Step 2: Convert to fraction form
    78,691,190.40/118,036,785.60 = 27,566,566.20/x
  3. Step 3: Cross multiply
    78,691,190.40x = 118,036,785.60 × 27,566,566.20
  4. Step 4: Simplify right side
    78,691,190.40x = 3,253,868,864,277,606.50
  5. Step 5: Solve for x
    x = 3,253,868,864,277,606.50/78,691,190.40
  6. Step 6: Final answer
    x = 41,349,849.30

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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.