Home / 262,081,330.80-393,121,996.20-89,532,279.60

Finding the Fourth Proportional to 262,081,330.80, 393,121,996.20 and 89,532,279.60

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Solution

The fourth proportional to 262,081,330.80, 393,121,996.20 and 89,532,279.60 is: 134,298,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,081,330.80 : 393,121,996.20 = 89,532,279.60 : x
  2. Step 2: Convert to fraction form
    262,081,330.80/393,121,996.20 = 89,532,279.60/x
  3. Step 3: Cross multiply
    262,081,330.80x = 393,121,996.20 × 89,532,279.60
  4. Step 4: Simplify right side
    262,081,330.80x = 35,197,108,480,688,536
  5. Step 5: Solve for x
    x = 35,197,108,480,688,536/262,081,330.80
  6. Step 6: Final answer
    x = 134,298,419.40

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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.