Home / 73,215,555.57-101,037,189.43-40,176,357.49

Finding the Fourth Proportional to 73,215,555.57, 101,037,189.43 and 40,176,357.49

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Solution

The fourth proportional to 73,215,555.57, 101,037,189.43 and 40,176,357.49 is: 55,443,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,215,555.57 : 101,037,189.43 = 40,176,357.49 : x
  2. Step 2: Convert to fraction form
    73,215,555.57/101,037,189.43 = 40,176,357.49/x
  3. Step 3: Cross multiply
    73,215,555.57x = 101,037,189.43 × 40,176,357.49
  4. Step 4: Simplify right side
    73,215,555.57x = 4,059,306,241,618,461.50
  5. Step 5: Solve for x
    x = 4,059,306,241,618,461.50/73,215,555.57
  6. Step 6: Final answer
    x = 55,443,221.18

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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.