Home / 165,888,095.20-248,832,142.80-135,655,007.20

Finding the Fourth Proportional to 165,888,095.20, 248,832,142.80 and 135,655,007.20

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Solution

The fourth proportional to 165,888,095.20, 248,832,142.80 and 135,655,007.20 is: 203,482,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,095.20 : 248,832,142.80 = 135,655,007.20 : x
  2. Step 2: Convert to fraction form
    165,888,095.20/248,832,142.80 = 135,655,007.20/x
  3. Step 3: Cross multiply
    165,888,095.20x = 248,832,142.80 × 135,655,007.20
  4. Step 4: Simplify right side
    165,888,095.20x = 33,755,326,123,125,428
  5. Step 5: Solve for x
    x = 33,755,326,123,125,428/165,888,095.20
  6. Step 6: Final answer
    x = 203,482,510.80

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1.5x scale

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.