Home / 147,631,475.40-203,727,481.66-81,550,551.42

Finding the Fourth Proportional to 147,631,475.40, 203,727,481.66 and 81,550,551.42

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Solution

The fourth proportional to 147,631,475.40, 203,727,481.66 and 81,550,551.42 is: 112,537,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,631,475.40 : 203,727,481.66 = 81,550,551.42 : x
  2. Step 2: Convert to fraction form
    147,631,475.40/203,727,481.66 = 81,550,551.42/x
  3. Step 3: Cross multiply
    147,631,475.40x = 203,727,481.66 × 81,550,551.42
  4. Step 4: Simplify right side
    147,631,475.40x = 16,614,088,468,373,184
  5. Step 5: Solve for x
    x = 16,614,088,468,373,184/147,631,475.40
  6. Step 6: Final answer
    x = 112,537,576.58

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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.