Home / 67,896,859.32-101,844,291.78-16,778,876.76

Finding the Fourth Proportional to 67,896,859.32, 101,844,291.78 and 16,778,876.76

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Solution

The fourth proportional to 67,896,859.32, 101,844,291.78 and 16,778,876.76 is: 25,168,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,896,859.32 : 101,844,291.78 = 16,778,876.76 : x
  2. Step 2: Convert to fraction form
    67,896,859.32/101,844,291.78 = 16,778,876.76/x
  3. Step 3: Cross multiply
    67,896,859.32x = 101,844,291.78 × 16,778,876.76
  4. Step 4: Simplify right side
    67,896,859.32x = 1,708,832,820,486,101.25
  5. Step 5: Solve for x
    x = 1,708,832,820,486,101.25/67,896,859.32
  6. Step 6: Final answer
    x = 25,168,068.71

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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.