Home / 72,845,248.48-109,279,731.12-34,022,523.04

Finding the Fourth Proportional to 72,845,248.48, 109,279,731.12 and 34,022,523.04

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Solution

The fourth proportional to 72,845,248.48, 109,279,731.12 and 34,022,523.04 is: 51,039,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,845,248.48 : 109,279,731.12 = 34,022,523.04 : x
  2. Step 2: Convert to fraction form
    72,845,248.48/109,279,731.12 = 34,022,523.04/x
  3. Step 3: Cross multiply
    72,845,248.48x = 109,279,731.12 × 34,022,523.04
  4. Step 4: Simplify right side
    72,845,248.48x = 3,717,972,169,835,205
  5. Step 5: Solve for x
    x = 3,717,972,169,835,205/72,845,248.48
  6. Step 6: Final answer
    x = 51,039,323.05

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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.