Home / 335,063,020.80-502,641,770.40-105,008,116.80

Finding the Fourth Proportional to 335,063,020.80, 502,641,770.40 and 105,008,116.80

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Solution

The fourth proportional to 335,063,020.80, 502,641,770.40 and 105,008,116.80 is: 157,526,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,063,020.80 : 502,641,770.40 = 105,008,116.80 : x
  2. Step 2: Convert to fraction form
    335,063,020.80/502,641,770.40 = 105,008,116.80/x
  3. Step 3: Cross multiply
    335,063,020.80x = 502,641,770.40 × 105,008,116.80
  4. Step 4: Simplify right side
    335,063,020.80x = 52,781,465,734,721,976
  5. Step 5: Solve for x
    x = 52,781,465,734,721,976/335,063,020.80
  6. Step 6: Final answer
    x = 157,526,979.88

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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.