Home / 220,223,627.10-330,335,440.65-76,616,459.10

Finding the Fourth Proportional to 220,223,627.10, 330,335,440.65 and 76,616,459.10

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Solution

The fourth proportional to 220,223,627.10, 330,335,440.65 and 76,616,459.10 is: 114,924,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,223,627.10 : 330,335,440.65 = 76,616,459.10 : x
  2. Step 2: Convert to fraction form
    220,223,627.10/330,335,440.65 = 76,616,459.10/x
  3. Step 3: Cross multiply
    220,223,627.10x = 330,335,440.65 × 76,616,459.10
  4. Step 4: Simplify right side
    220,223,627.10x = 25,309,131,777,841,200
  5. Step 5: Solve for x
    x = 25,309,131,777,841,200/220,223,627.10
  6. Step 6: Final answer
    x = 114,924,688.65

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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.