Home / 146,528,437.89-202,209,642.17-80,453,215.92

Finding the Fourth Proportional to 146,528,437.89, 202,209,642.17 and 80,453,215.92

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Solution

The fourth proportional to 146,528,437.89, 202,209,642.17 and 80,453,215.92 is: 111,025,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,528,437.89 : 202,209,642.17 = 80,453,215.92 : x
  2. Step 2: Convert to fraction form
    146,528,437.89/202,209,642.17 = 80,453,215.92/x
  3. Step 3: Cross multiply
    146,528,437.89x = 202,209,642.17 × 80,453,215.92
  4. Step 4: Simplify right side
    146,528,437.89x = 16,268,416,002,608,946
  5. Step 5: Solve for x
    x = 16,268,416,002,608,946/146,528,437.89
  6. Step 6: Final answer
    x = 111,025,656.43

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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.