Home / 100,203,319.71-150,049,822.28-66,021,034.59

Finding the Fourth Proportional to 100,203,319.71, 150,049,822.28 and 66,021,034.59

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Solution

The fourth proportional to 100,203,319.71, 150,049,822.28 and 66,021,034.59 is: 98,863,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,203,319.71 : 150,049,822.28 = 66,021,034.59 : x
  2. Step 2: Convert to fraction form
    100,203,319.71/150,049,822.28 = 66,021,034.59/x
  3. Step 3: Cross multiply
    100,203,319.71x = 150,049,822.28 × 66,021,034.59
  4. Step 4: Simplify right side
    100,203,319.71x = 9,906,444,506,641,128
  5. Step 5: Solve for x
    x = 9,906,444,506,641,128/100,203,319.71
  6. Step 6: Final answer
    x = 98,863,436.21

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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.