Home / 112,728,726.52-168,806,037.83-74,273,655.76

Finding the Fourth Proportional to 112,728,726.52, 168,806,037.83 and 74,273,655.76

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Solution

The fourth proportional to 112,728,726.52, 168,806,037.83 and 74,273,655.76 is: 111,221,353.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,728,726.52 : 168,806,037.83 = 74,273,655.76 : x
  2. Step 2: Convert to fraction form
    112,728,726.52/168,806,037.83 = 74,273,655.76/x
  3. Step 3: Cross multiply
    112,728,726.52x = 168,806,037.83 × 74,273,655.76
  4. Step 4: Simplify right side
    112,728,726.52x = 12,537,841,543,201,572
  5. Step 5: Solve for x
    x = 12,537,841,543,201,572/112,728,726.52
  6. Step 6: Final answer
    x = 111,221,353.51

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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.