Home / 132,743,607.80-199,115,411.70-119,138,718.20

Finding the Fourth Proportional to 132,743,607.80, 199,115,411.70 and 119,138,718.20

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Solution

The fourth proportional to 132,743,607.80, 199,115,411.70 and 119,138,718.20 is: 178,708,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,743,607.80 : 199,115,411.70 = 119,138,718.20 : x
  2. Step 2: Convert to fraction form
    132,743,607.80/199,115,411.70 = 119,138,718.20/x
  3. Step 3: Cross multiply
    132,743,607.80x = 199,115,411.70 × 119,138,718.20
  4. Step 4: Simplify right side
    132,743,607.80x = 23,722,354,923,803,284
  5. Step 5: Solve for x
    x = 23,722,354,923,803,284/132,743,607.80
  6. Step 6: Final answer
    x = 178,708,077.30

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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.