Home / 221,310,756.16-331,982,077.43-84,996,139.66

Finding the Fourth Proportional to 221,310,756.16, 331,982,077.43 and 84,996,139.66

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Solution

The fourth proportional to 221,310,756.16, 331,982,077.43 and 84,996,139.66 is: 127,500,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,310,756.16 : 331,982,077.43 = 84,996,139.66 : x
  2. Step 2: Convert to fraction form
    221,310,756.16/331,982,077.43 = 84,996,139.66/x
  3. Step 3: Cross multiply
    221,310,756.16x = 331,982,077.43 × 84,996,139.66
  4. Step 4: Simplify right side
    221,310,756.16x = 28,217,195,017,239,748
  5. Step 5: Solve for x
    x = 28,217,195,017,239,748/221,310,756.16
  6. Step 6: Final answer
    x = 127,500,332.60

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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.