Home / 81,736,878.70-122,466,577.20-49,320,666.55

Finding the Fourth Proportional to 81,736,878.70, 122,466,577.20 and 49,320,666.55

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Solution

The fourth proportional to 81,736,878.70, 122,466,577.20 and 49,320,666.55 is: 73,897,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,736,878.70 : 122,466,577.20 = 49,320,666.55 : x
  2. Step 2: Convert to fraction form
    81,736,878.70/122,466,577.20 = 49,320,666.55/x
  3. Step 3: Cross multiply
    81,736,878.70x = 122,466,577.20 × 49,320,666.55
  4. Step 4: Simplify right side
    81,736,878.70x = 6,040,133,217,601,032
  5. Step 5: Solve for x
    x = 6,040,133,217,601,032/81,736,878.70
  6. Step 6: Final answer
    x = 73,897,282.52

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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.