Home / 146,402,138.79-202,037,012.61-80,321,436.03

Finding the Fourth Proportional to 146,402,138.79, 202,037,012.61 and 80,321,436.03

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Solution

The fourth proportional to 146,402,138.79, 202,037,012.61 and 80,321,436.03 is: 110,844,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,402,138.79 : 202,037,012.61 = 80,321,436.03 : x
  2. Step 2: Convert to fraction form
    146,402,138.79/202,037,012.61 = 80,321,436.03/x
  3. Step 3: Cross multiply
    146,402,138.79x = 202,037,012.61 × 80,321,436.03
  4. Step 4: Simplify right side
    146,402,138.79x = 16,227,902,984,046,420
  5. Step 5: Solve for x
    x = 16,227,902,984,046,420/146,402,138.79
  6. Step 6: Final answer
    x = 110,844,712.50

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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.