Home / 305,990,034.30-422,267,677.32-173,838,282.34

Finding the Fourth Proportional to 305,990,034.30, 422,267,677.32 and 173,838,282.34

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Solution

The fourth proportional to 305,990,034.30, 422,267,677.32 and 173,838,282.34 is: 239,897,642.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,990,034.30 : 422,267,677.32 = 173,838,282.34 : x
  2. Step 2: Convert to fraction form
    305,990,034.30/422,267,677.32 = 173,838,282.34/x
  3. Step 3: Cross multiply
    305,990,034.30x = 422,267,677.32 × 173,838,282.34
  4. Step 4: Simplify right side
    305,990,034.30x = 73,406,287,713,161,264
  5. Step 5: Solve for x
    x = 73,406,287,713,161,264/305,990,034.30
  6. Step 6: Final answer
    x = 239,897,642.03

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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.