Home / 147,374,011.28-203,372,544.07-81,293,062.70

Finding the Fourth Proportional to 147,374,011.28, 203,372,544.07 and 81,293,062.70

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Solution

The fourth proportional to 147,374,011.28, 203,372,544.07 and 81,293,062.70 is: 112,182,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,374,011.28 : 203,372,544.07 = 81,293,062.70 : x
  2. Step 2: Convert to fraction form
    147,374,011.28/203,372,544.07 = 81,293,062.70/x
  3. Step 3: Cross multiply
    147,374,011.28x = 203,372,544.07 × 81,293,062.70
  4. Step 4: Simplify right side
    147,374,011.28x = 16,532,776,976,541,024
  5. Step 5: Solve for x
    x = 16,532,776,976,541,024/147,374,011.28
  6. Step 6: Final answer
    x = 112,182,445.42

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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.