Home / 67,896,871.32-101,844,309.78-16,778,888.76

Finding the Fourth Proportional to 67,896,871.32, 101,844,309.78 and 16,778,888.76

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Solution

The fourth proportional to 67,896,871.32, 101,844,309.78 and 16,778,888.76 is: 25,168,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,896,871.32 : 101,844,309.78 = 16,778,888.76 : x
  2. Step 2: Convert to fraction form
    67,896,871.32/101,844,309.78 = 16,778,888.76/x
  3. Step 3: Cross multiply
    67,896,871.32x = 101,844,309.78 × 16,778,888.76
  4. Step 4: Simplify right side
    67,896,871.32x = 1,708,834,344,637,600.25
  5. Step 5: Solve for x
    x = 1,708,834,344,637,600.25/67,896,871.32
  6. Step 6: Final answer
    x = 25,168,086.71

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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.