Home / 165,864,373.80-248,908,535.10-108,216,220.20

Finding the Fourth Proportional to 165,864,373.80, 248,908,535.10 and 108,216,220.20

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Solution

The fourth proportional to 165,864,373.80, 248,908,535.10 and 108,216,220.20 is: 162,397,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,864,373.80 : 248,908,535.10 = 108,216,220.20 : x
  2. Step 2: Convert to fraction form
    165,864,373.80/248,908,535.10 = 108,216,220.20/x
  3. Step 3: Cross multiply
    165,864,373.80x = 248,908,535.10 × 108,216,220.20
  4. Step 4: Simplify right side
    165,864,373.80x = 26,935,940,844,041,028
  5. Step 5: Solve for x
    x = 26,935,940,844,041,028/165,864,373.80
  6. Step 6: Final answer
    x = 162,397,386.65

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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.