Home / 84,974,349-127,461,328.96-36,420,719.88

Finding the Fourth Proportional to 84,974,349, 127,461,328.96 and 36,420,719.88

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Solution

The fourth proportional to 84,974,349, 127,461,328.96 and 36,420,719.88 is: 54,630,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,974,349 : 127,461,328.96 = 36,420,719.88 : x
  2. Step 2: Convert to fraction form
    84,974,349/127,461,328.96 = 36,420,719.88/x
  3. Step 3: Cross multiply
    84,974,349x = 127,461,328.96 × 36,420,719.88
  4. Step 4: Simplify right side
    84,974,349x = 4,642,233,357,584,692
  5. Step 5: Solve for x
    x = 4,642,233,357,584,692/84,974,349
  6. Step 6: Final answer
    x = 54,630,996.44

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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.