Home / 122,864,454.81-169,551,940-67,109,910.77

Finding the Fourth Proportional to 122,864,454.81, 169,551,940 and 67,109,910.77

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Solution

The fourth proportional to 122,864,454.81, 169,551,940 and 67,109,910.77 is: 92,611,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,864,454.81 : 169,551,940 = 67,109,910.77 : x
  2. Step 2: Convert to fraction form
    122,864,454.81/169,551,940 = 67,109,910.77/x
  3. Step 3: Cross multiply
    122,864,454.81x = 169,551,940 × 67,109,910.77
  4. Step 4: Simplify right side
    122,864,454.81x = 11,378,615,564,280,394
  5. Step 5: Solve for x
    x = 11,378,615,564,280,394/122,864,454.81
  6. Step 6: Final answer
    x = 92,611,126.48

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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.