Home / 112,817,951.95-155,631,475.48-73,682,636.71

Finding the Fourth Proportional to 112,817,951.95, 155,631,475.48 and 73,682,636.71

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Solution

The fourth proportional to 112,817,951.95, 155,631,475.48 and 73,682,636.71 is: 101,644,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,817,951.95 : 155,631,475.48 = 73,682,636.71 : x
  2. Step 2: Convert to fraction form
    112,817,951.95/155,631,475.48 = 73,682,636.71/x
  3. Step 3: Cross multiply
    112,817,951.95x = 155,631,475.48 × 73,682,636.71
  4. Step 4: Simplify right side
    112,817,951.95x = 11,467,337,467,860,826
  5. Step 5: Solve for x
    x = 11,467,337,467,860,826/112,817,951.95
  6. Step 6: Final answer
    x = 101,644,616.57

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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.