Home / 147,374,011.53-203,372,544.42-81,293,062.95

Finding the Fourth Proportional to 147,374,011.53, 203,372,544.42 and 81,293,062.95

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Solution

The fourth proportional to 147,374,011.53, 203,372,544.42 and 81,293,062.95 is: 112,182,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,374,011.53 : 203,372,544.42 = 81,293,062.95 : x
  2. Step 2: Convert to fraction form
    147,374,011.53/203,372,544.42 = 81,293,062.95/x
  3. Step 3: Cross multiply
    147,374,011.53x = 203,372,544.42 × 81,293,062.95
  4. Step 4: Simplify right side
    147,374,011.53x = 16,532,777,055,836,730
  5. Step 5: Solve for x
    x = 16,532,777,055,836,730/147,374,011.53
  6. Step 6: Final answer
    x = 112,182,445.77

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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.