Home / 78,691,008.40-118,036,512.60-27,566,384.20

Finding the Fourth Proportional to 78,691,008.40, 118,036,512.60 and 27,566,384.20

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Solution

The fourth proportional to 78,691,008.40, 118,036,512.60 and 27,566,384.20 is: 41,349,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,691,008.40 : 118,036,512.60 = 27,566,384.20 : x
  2. Step 2: Convert to fraction form
    78,691,008.40/118,036,512.60 = 27,566,384.20/x
  3. Step 3: Cross multiply
    78,691,008.40x = 118,036,512.60 × 27,566,384.20
  4. Step 4: Simplify right side
    78,691,008.40x = 3,253,839,855,959,740.50
  5. Step 5: Solve for x
    x = 3,253,839,855,959,740.50/78,691,008.40
  6. Step 6: Final answer
    x = 41,349,576.30

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1.5x scale

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.