Home / 80,571,672.34-120,845,366.12-51,627,772.98

Finding the Fourth Proportional to 80,571,672.34, 120,845,366.12 and 51,627,772.98

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Solution

The fourth proportional to 80,571,672.34, 120,845,366.12 and 51,627,772.98 is: 77,433,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,571,672.34 : 120,845,366.12 = 51,627,772.98 : x
  2. Step 2: Convert to fraction form
    80,571,672.34/120,845,366.12 = 51,627,772.98/x
  3. Step 3: Cross multiply
    80,571,672.34x = 120,845,366.12 × 51,627,772.98
  4. Step 4: Simplify right side
    80,571,672.34x = 6,238,977,127,728,343
  5. Step 5: Solve for x
    x = 6,238,977,127,728,343/80,571,672.34
  6. Step 6: Final answer
    x = 77,433,879.01

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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.