Home / 78,270,189.57-108,001,144.80-44,774,342.91

Finding the Fourth Proportional to 78,270,189.57, 108,001,144.80 and 44,774,342.91

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Solution

The fourth proportional to 78,270,189.57, 108,001,144.80 and 44,774,342.91 is: 61,781,890.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,270,189.57 : 108,001,144.80 = 44,774,342.91 : x
  2. Step 2: Convert to fraction form
    78,270,189.57/108,001,144.80 = 44,774,342.91/x
  3. Step 3: Cross multiply
    78,270,189.57x = 108,001,144.80 × 44,774,342.91
  4. Step 4: Simplify right side
    78,270,189.57x = 4,835,680,291,947,763
  5. Step 5: Solve for x
    x = 4,835,680,291,947,763/78,270,189.57
  6. Step 6: Final answer
    x = 61,781,890.63

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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.