Home / 86,341,314.80-119,163,166.14-54,969,342.18

Finding the Fourth Proportional to 86,341,314.80, 119,163,166.14 and 54,969,342.18

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Solution

The fourth proportional to 86,341,314.80, 119,163,166.14 and 54,969,342.18 is: 75,865,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,341,314.80 : 119,163,166.14 = 54,969,342.18 : x
  2. Step 2: Convert to fraction form
    86,341,314.80/119,163,166.14 = 54,969,342.18/x
  3. Step 3: Cross multiply
    86,341,314.80x = 119,163,166.14 × 54,969,342.18
  4. Step 4: Simplify right side
    86,341,314.80x = 6,550,320,854,801,850
  5. Step 5: Solve for x
    x = 6,550,320,854,801,850/86,341,314.80
  6. Step 6: Final answer
    x = 75,865,428.62

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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.