Home / 199,292,132.35-275,023,313.88-111,186,143.69

Finding the Fourth Proportional to 199,292,132.35, 275,023,313.88 and 111,186,143.69

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Solution

The fourth proportional to 199,292,132.35, 275,023,313.88 and 111,186,143.69 is: 153,436,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,292,132.35 : 275,023,313.88 = 111,186,143.69 : x
  2. Step 2: Convert to fraction form
    199,292,132.35/275,023,313.88 = 111,186,143.69/x
  3. Step 3: Cross multiply
    199,292,132.35x = 275,023,313.88 × 111,186,143.69
  4. Step 4: Simplify right side
    199,292,132.35x = 30,578,781,695,227,648
  5. Step 5: Solve for x
    x = 30,578,781,695,227,648/199,292,132.35
  6. Step 6: Final answer
    x = 153,436,973.83

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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.