Home / 136,141,121.47-203,788,960.85-73,737,443.98

Finding the Fourth Proportional to 136,141,121.47, 203,788,960.85 and 73,737,443.98

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Solution

The fourth proportional to 136,141,121.47, 203,788,960.85 and 73,737,443.98 is: 110,377,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,141,121.47 : 203,788,960.85 = 73,737,443.98 : x
  2. Step 2: Convert to fraction form
    136,141,121.47/203,788,960.85 = 73,737,443.98/x
  3. Step 3: Cross multiply
    136,141,121.47x = 203,788,960.85 × 73,737,443.98
  4. Step 4: Simplify right side
    136,141,121.47x = 15,026,877,085,661,966
  5. Step 5: Solve for x
    x = 15,026,877,085,661,966/136,141,121.47
  6. Step 6: Final answer
    x = 110,377,209.50

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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.