Home / 139,013,316.45-191,825,697.02-82,488,321.84

Finding the Fourth Proportional to 139,013,316.45, 191,825,697.02 and 82,488,321.84

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Solution

The fourth proportional to 139,013,316.45, 191,825,697.02 and 82,488,321.84 is: 113,826,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,013,316.45 : 191,825,697.02 = 82,488,321.84 : x
  2. Step 2: Convert to fraction form
    139,013,316.45/191,825,697.02 = 82,488,321.84/x
  3. Step 3: Cross multiply
    139,013,316.45x = 191,825,697.02 × 82,488,321.84
  4. Step 4: Simplify right side
    139,013,316.45x = 15,823,379,832,555,646
  5. Step 5: Solve for x
    x = 15,823,379,832,555,646/139,013,316.45
  6. Step 6: Final answer
    x = 113,826,360.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.