Home / 157,730,836.56-236,384,768.82-122,758,180.98

Finding the Fourth Proportional to 157,730,836.56, 236,384,768.82 and 122,758,180.98

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Solution

The fourth proportional to 157,730,836.56, 236,384,768.82 and 122,758,180.98 is: 183,972,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,730,836.56 : 236,384,768.82 = 122,758,180.98 : x
  2. Step 2: Convert to fraction form
    157,730,836.56/236,384,768.82 = 122,758,180.98/x
  3. Step 3: Cross multiply
    157,730,836.56x = 236,384,768.82 × 122,758,180.98
  4. Step 4: Simplify right side
    157,730,836.56x = 29,018,164,231,721,020
  5. Step 5: Solve for x
    x = 29,018,164,231,721,020/157,730,836.56
  6. Step 6: Final answer
    x = 183,972,676.90

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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.