Home / 84,996,719.40-127,495,079.10-27,494,803.20

Finding the Fourth Proportional to 84,996,719.40, 127,495,079.10 and 27,494,803.20

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Solution

The fourth proportional to 84,996,719.40, 127,495,079.10 and 27,494,803.20 is: 41,242,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,996,719.40 : 127,495,079.10 = 27,494,803.20 : x
  2. Step 2: Convert to fraction form
    84,996,719.40/127,495,079.10 = 27,494,803.20/x
  3. Step 3: Cross multiply
    84,996,719.40x = 127,495,079.10 × 27,494,803.20
  4. Step 4: Simplify right side
    84,996,719.40x = 3,505,452,108,822,933
  5. Step 5: Solve for x
    x = 3,505,452,108,822,933/84,996,719.40
  6. Step 6: Final answer
    x = 41,242,204.80

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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.