Home / 199,292,137.59-275,023,321.11-111,186,148.94

Finding the Fourth Proportional to 199,292,137.59, 275,023,321.11 and 111,186,148.94

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Solution

The fourth proportional to 199,292,137.59, 275,023,321.11 and 111,186,148.94 is: 153,436,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,292,137.59 : 275,023,321.11 = 111,186,148.94 : x
  2. Step 2: Convert to fraction form
    199,292,137.59/275,023,321.11 = 111,186,148.94/x
  3. Step 3: Cross multiply
    199,292,137.59x = 275,023,321.11 × 111,186,148.94
  4. Step 4: Simplify right side
    199,292,137.59x = 30,578,783,941,534,792
  5. Step 5: Solve for x
    x = 30,578,783,941,534,792/199,292,137.59
  6. Step 6: Final answer
    x = 153,436,981.06

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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.