Home / 257,486,624.30-355,288,464-151,661,110.11

Finding the Fourth Proportional to 257,486,624.30, 355,288,464 and 151,661,110.11

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Solution

The fourth proportional to 257,486,624.30, 355,288,464 and 151,661,110.11 is: 209,266,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,486,624.30 : 355,288,464 = 151,661,110.11 : x
  2. Step 2: Convert to fraction form
    257,486,624.30/355,288,464 = 151,661,110.11/x
  3. Step 3: Cross multiply
    257,486,624.30x = 355,288,464 × 151,661,110.11
  4. Step 4: Simplify right side
    257,486,624.30x = 53,883,442,859,516,776
  5. Step 5: Solve for x
    x = 53,883,442,859,516,776/257,486,624.30
  6. Step 6: Final answer
    x = 209,266,959.04

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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.