Home / 77,275,174.40-115,912,761.60-34,807,846.40

Finding the Fourth Proportional to 77,275,174.40, 115,912,761.60 and 34,807,846.40

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Solution

The fourth proportional to 77,275,174.40, 115,912,761.60 and 34,807,846.40 is: 52,211,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,275,174.40 : 115,912,761.60 = 34,807,846.40 : x
  2. Step 2: Convert to fraction form
    77,275,174.40/115,912,761.60 = 34,807,846.40/x
  3. Step 3: Cross multiply
    77,275,174.40x = 115,912,761.60 × 34,807,846.40
  4. Step 4: Simplify right side
    77,275,174.40x = 4,034,673,601,572,618
  5. Step 5: Solve for x
    x = 4,034,673,601,572,618/77,275,174.40
  6. Step 6: Final answer
    x = 52,211,769.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.