Home / 278,150,613.08-417,215,624.16-112,225,875.80

Finding the Fourth Proportional to 278,150,613.08, 417,215,624.16 and 112,225,875.80

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Solution

The fourth proportional to 278,150,613.08, 417,215,624.16 and 112,225,875.80 is: 168,334,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,150,613.08 : 417,215,624.16 = 112,225,875.80 : x
  2. Step 2: Convert to fraction form
    278,150,613.08/417,215,624.16 = 112,225,875.80/x
  3. Step 3: Cross multiply
    278,150,613.08x = 417,215,624.16 × 112,225,875.80
  4. Step 4: Simplify right side
    278,150,613.08x = 46,822,388,818,799,640
  5. Step 5: Solve for x
    x = 46,822,388,818,799,640/278,150,613.08
  6. Step 6: Final answer
    x = 168,334,659.77

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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.