Home / 202,073,758.43-278,861,262.14-112,764,766.19

Finding the Fourth Proportional to 202,073,758.43, 278,861,262.14 and 112,764,766.19

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Solution

The fourth proportional to 202,073,758.43, 278,861,262.14 and 112,764,766.19 is: 155,615,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,073,758.43 : 278,861,262.14 = 112,764,766.19 : x
  2. Step 2: Convert to fraction form
    202,073,758.43/278,861,262.14 = 112,764,766.19/x
  3. Step 3: Cross multiply
    202,073,758.43x = 278,861,262.14 × 112,764,766.19
  4. Step 4: Simplify right side
    202,073,758.43x = 31,445,725,024,101,572
  5. Step 5: Solve for x
    x = 31,445,725,024,101,572/202,073,758.43
  6. Step 6: Final answer
    x = 155,615,084.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.