Home / 57,462,456.78-79,299,865.02-31,358,655.96

Finding the Fourth Proportional to 57,462,456.78, 79,299,865.02 and 31,358,655.96

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Solution

The fourth proportional to 57,462,456.78, 79,299,865.02 and 31,358,655.96 is: 43,275,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,462,456.78 : 79,299,865.02 = 31,358,655.96 : x
  2. Step 2: Convert to fraction form
    57,462,456.78/79,299,865.02 = 31,358,655.96/x
  3. Step 3: Cross multiply
    57,462,456.78x = 79,299,865.02 × 31,358,655.96
  4. Step 4: Simplify right side
    57,462,456.78x = 2,486,737,184,836,618.50
  5. Step 5: Solve for x
    x = 2,486,737,184,836,618.50/57,462,456.78
  6. Step 6: Final answer
    x = 43,275,859.13

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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.