Home / 120,046,021.50-179,781,300.81-61,599,894.78

Finding the Fourth Proportional to 120,046,021.50, 179,781,300.81 and 61,599,894.78

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Solution

The fourth proportional to 120,046,021.50, 179,781,300.81 and 61,599,894.78 is: 92,252,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,046,021.50 : 179,781,300.81 = 61,599,894.78 : x
  2. Step 2: Convert to fraction form
    120,046,021.50/179,781,300.81 = 61,599,894.78/x
  3. Step 3: Cross multiply
    120,046,021.50x = 179,781,300.81 × 61,599,894.78
  4. Step 4: Simplify right side
    120,046,021.50x = 11,074,509,213,307,530
  5. Step 5: Solve for x
    x = 11,074,509,213,307,530/120,046,021.50
  6. Step 6: Final answer
    x = 92,252,196.91

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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.