Home / 91,859,450.70-137,647,458.45-79,671,737.10

Finding the Fourth Proportional to 91,859,450.70, 137,647,458.45 and 79,671,737.10

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Solution

The fourth proportional to 91,859,450.70, 137,647,458.45 and 79,671,737.10 is: 119,384,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,859,450.70 : 137,647,458.45 = 79,671,737.10 : x
  2. Step 2: Convert to fraction form
    91,859,450.70/137,647,458.45 = 79,671,737.10/x
  3. Step 3: Cross multiply
    91,859,450.70x = 137,647,458.45 × 79,671,737.10
  4. Step 4: Simplify right side
    91,859,450.70x = 10,966,612,122,111,572
  5. Step 5: Solve for x
    x = 10,966,612,122,111,572/91,859,450.70
  6. Step 6: Final answer
    x = 119,384,690.84

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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.