Home / 56,942,587.35-78,580,359.81-30,836,499.57

Finding the Fourth Proportional to 56,942,587.35, 78,580,359.81 and 30,836,499.57

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Solution

The fourth proportional to 56,942,587.35, 78,580,359.81 and 30,836,499.57 is: 42,554,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,942,587.35 : 78,580,359.81 = 30,836,499.57 : x
  2. Step 2: Convert to fraction form
    56,942,587.35/78,580,359.81 = 30,836,499.57/x
  3. Step 3: Cross multiply
    56,942,587.35x = 78,580,359.81 × 30,836,499.57
  4. Step 4: Simplify right side
    56,942,587.35x = 2,423,143,231,098,608.50
  5. Step 5: Solve for x
    x = 2,423,143,231,098,608.50/56,942,587.35
  6. Step 6: Final answer
    x = 42,554,146.98

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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.