Home / 153,379,692-230,074,261.92-67,073,673.60

Finding the Fourth Proportional to 153,379,692, 230,074,261.92 and 67,073,673.60

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Solution

The fourth proportional to 153,379,692, 230,074,261.92 and 67,073,673.60 is: 100,612,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,379,692 : 230,074,261.92 = 67,073,673.60 : x
  2. Step 2: Convert to fraction form
    153,379,692/230,074,261.92 = 67,073,673.60/x
  3. Step 3: Cross multiply
    153,379,692x = 230,074,261.92 × 67,073,673.60
  4. Step 4: Simplify right side
    153,379,692x = 15,431,925,947,782,988
  5. Step 5: Solve for x
    x = 15,431,925,947,782,988/153,379,692
  6. Step 6: Final answer
    x = 100,612,576.19

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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.