Home / 77,762,961.20-116,644,441.80-26,627,985.20

Finding the Fourth Proportional to 77,762,961.20, 116,644,441.80 and 26,627,985.20

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Solution

The fourth proportional to 77,762,961.20, 116,644,441.80 and 26,627,985.20 is: 39,941,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,762,961.20 : 116,644,441.80 = 26,627,985.20 : x
  2. Step 2: Convert to fraction form
    77,762,961.20/116,644,441.80 = 26,627,985.20/x
  3. Step 3: Cross multiply
    77,762,961.20x = 116,644,441.80 × 26,627,985.20
  4. Step 4: Simplify right side
    77,762,961.20x = 3,106,006,469,912,661
  5. Step 5: Solve for x
    x = 3,106,006,469,912,661/77,762,961.20
  6. Step 6: Final answer
    x = 39,941,977.80

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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.