Home / 205,344,005.40-308,016,008.10-165,033,221.40

Finding the Fourth Proportional to 205,344,005.40, 308,016,008.10 and 165,033,221.40

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Solution

The fourth proportional to 205,344,005.40, 308,016,008.10 and 165,033,221.40 is: 247,549,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,344,005.40 : 308,016,008.10 = 165,033,221.40 : x
  2. Step 2: Convert to fraction form
    205,344,005.40/308,016,008.10 = 165,033,221.40/x
  3. Step 3: Cross multiply
    205,344,005.40x = 308,016,008.10 × 165,033,221.40
  4. Step 4: Simplify right side
    205,344,005.40x = 50,832,874,059,511,496
  5. Step 5: Solve for x
    x = 50,832,874,059,511,496/205,344,005.40
  6. Step 6: Final answer
    x = 247,549,832.10

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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.