Home / 66,159,812.49-91,287,162.05-38,652,426.33

Finding the Fourth Proportional to 66,159,812.49, 91,287,162.05 and 38,652,426.33

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Solution

The fourth proportional to 66,159,812.49, 91,287,162.05 and 38,652,426.33 is: 53,332,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,159,812.49 : 91,287,162.05 = 38,652,426.33 : x
  2. Step 2: Convert to fraction form
    66,159,812.49/91,287,162.05 = 38,652,426.33/x
  3. Step 3: Cross multiply
    66,159,812.49x = 91,287,162.05 × 38,652,426.33
  4. Step 4: Simplify right side
    66,159,812.49x = 3,528,470,305,819,134.50
  5. Step 5: Solve for x
    x = 3,528,470,305,819,134.50/66,159,812.49
  6. Step 6: Final answer
    x = 53,332,531.83

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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.