Home / 81,881,881.93-122,865,330.62-33,395,307.85

Finding the Fourth Proportional to 81,881,881.93, 122,865,330.62 and 33,395,307.85

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Solution

The fourth proportional to 81,881,881.93, 122,865,330.62 and 33,395,307.85 is: 50,110,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,881,881.93 : 122,865,330.62 = 33,395,307.85 : x
  2. Step 2: Convert to fraction form
    81,881,881.93/122,865,330.62 = 33,395,307.85/x
  3. Step 3: Cross multiply
    81,881,881.93x = 122,865,330.62 × 33,395,307.85
  4. Step 4: Simplify right side
    81,881,881.93x = 4,103,125,540,146,931.50
  5. Step 5: Solve for x
    x = 4,103,125,540,146,931.50/81,881,881.93
  6. Step 6: Final answer
    x = 50,110,298.44

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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.