Home / 81,881,881.91-122,865,330.60-33,395,307.83

Finding the Fourth Proportional to 81,881,881.91, 122,865,330.60 and 33,395,307.83

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Solution

The fourth proportional to 81,881,881.91, 122,865,330.60 and 33,395,307.83 is: 50,110,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,881,881.91 : 122,865,330.60 = 33,395,307.83 : x
  2. Step 2: Convert to fraction form
    81,881,881.91/122,865,330.60 = 33,395,307.83/x
  3. Step 3: Cross multiply
    81,881,881.91x = 122,865,330.60 × 33,395,307.83
  4. Step 4: Simplify right side
    81,881,881.91x = 4,103,125,537,328,881.50
  5. Step 5: Solve for x
    x = 4,103,125,537,328,881.50/81,881,881.91
  6. Step 6: Final answer
    x = 50,110,298.41

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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.