Home / 71,084,140.49-106,630,344.17-19,970,145.11

Finding the Fourth Proportional to 71,084,140.49, 106,630,344.17 and 19,970,145.11

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Solution

The fourth proportional to 71,084,140.49, 106,630,344.17 and 19,970,145.11 is: 29,956,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,084,140.49 : 106,630,344.17 = 19,970,145.11 : x
  2. Step 2: Convert to fraction form
    71,084,140.49/106,630,344.17 = 19,970,145.11/x
  3. Step 3: Cross multiply
    71,084,140.49x = 106,630,344.17 × 19,970,145.11
  4. Step 4: Simplify right side
    71,084,140.49x = 2,129,423,445,571,140.25
  5. Step 5: Solve for x
    x = 2,129,423,445,571,140.25/71,084,140.49
  6. Step 6: Final answer
    x = 29,956,378.89

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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.