Home / 109,933,909.30-151,767,693.62-84,761,039.04

Finding the Fourth Proportional to 109,933,909.30, 151,767,693.62 and 84,761,039.04

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Solution

The fourth proportional to 109,933,909.30, 151,767,693.62 and 84,761,039.04 is: 117,015,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,933,909.30 : 151,767,693.62 = 84,761,039.04 : x
  2. Step 2: Convert to fraction form
    109,933,909.30/151,767,693.62 = 84,761,039.04/x
  3. Step 3: Cross multiply
    109,933,909.30x = 151,767,693.62 × 84,761,039.04
  4. Step 4: Simplify right side
    109,933,909.30x = 12,863,987,403,935,580
  5. Step 5: Solve for x
    x = 12,863,987,403,935,580/109,933,909.30
  6. Step 6: Final answer
    x = 117,015,645.91

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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.