Home / 124,481,897.43-171,785,256.18-68,727,425.72

Finding the Fourth Proportional to 124,481,897.43, 171,785,256.18 and 68,727,425.72

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Solution

The fourth proportional to 124,481,897.43, 171,785,256.18 and 68,727,425.72 is: 94,843,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,481,897.43 : 171,785,256.18 = 68,727,425.72 : x
  2. Step 2: Convert to fraction form
    124,481,897.43/171,785,256.18 = 68,727,425.72/x
  3. Step 3: Cross multiply
    124,481,897.43x = 171,785,256.18 × 68,727,425.72
  4. Step 4: Simplify right side
    124,481,897.43x = 11,806,358,433,043,196
  5. Step 5: Solve for x
    x = 11,806,358,433,043,196/124,481,897.43
  6. Step 6: Final answer
    x = 94,843,978.74

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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.