Home / 151,432,483.14-209,149,207.02-101,786,665.26

Finding the Fourth Proportional to 151,432,483.14, 209,149,207.02 and 101,786,665.26

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Solution

The fourth proportional to 151,432,483.14, 209,149,207.02 and 101,786,665.26 is: 140,581,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,432,483.14 : 209,149,207.02 = 101,786,665.26 : x
  2. Step 2: Convert to fraction form
    151,432,483.14/209,149,207.02 = 101,786,665.26/x
  3. Step 3: Cross multiply
    151,432,483.14x = 209,149,207.02 × 101,786,665.26
  4. Step 4: Simplify right side
    151,432,483.14x = 21,288,600,324,339,184
  5. Step 5: Solve for x
    x = 21,288,600,324,339,184/151,432,483.14
  6. Step 6: Final answer
    x = 140,581,464.97

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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.