Home / 151,351,894.08-208,865,599.20-81,737,267.04

Finding the Fourth Proportional to 151,351,894.08, 208,865,599.20 and 81,737,267.04

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Solution

The fourth proportional to 151,351,894.08, 208,865,599.20 and 81,737,267.04 is: 112,797,420.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,351,894.08 : 208,865,599.20 = 81,737,267.04 : x
  2. Step 2: Convert to fraction form
    151,351,894.08/208,865,599.20 = 81,737,267.04/x
  3. Step 3: Cross multiply
    151,351,894.08x = 208,865,599.20 × 81,737,267.04
  4. Step 4: Simplify right side
    151,351,894.08x = 17,072,103,257,280,010
  5. Step 5: Solve for x
    x = 17,072,103,257,280,010/151,351,894.08
  6. Step 6: Final answer
    x = 112,797,420.61

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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.