Home / 71,841,218,726.96-99,141,523,346.40-39,728,753,797.04

Finding the Fourth Proportional to 71,841,218,726.96, 99,141,523,346.40 and 39,728,753,797.04

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Solution

The fourth proportional to 71,841,218,726.96, 99,141,523,346.40 and 39,728,753,797.04 is: 54,826,034,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,841,218,726.96 : 99,141,523,346.40 = 39,728,753,797.04 : x
  2. Step 2: Convert to fraction form
    71,841,218,726.96/99,141,523,346.40 = 39,728,753,797.04/x
  3. Step 3: Cross multiply
    71,841,218,726.96x = 99,141,523,346.40 × 39,728,753,797.04
  4. Step 4: Simplify right side
    71,841,218,726.96x = 3,938,769,172,092,618,801,152
  5. Step 5: Solve for x
    x = 3,938,769,172,092,618,801,152/71,841,218,726.96
  6. Step 6: Final answer
    x = 54,826,034,996.18

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1.5x scale

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.