Home / 148,695,950.75-205,205,949.92-89,166,938.76

Finding the Fourth Proportional to 148,695,950.75, 205,205,949.92 and 89,166,938.76

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Solution

The fourth proportional to 148,695,950.75, 205,205,949.92 and 89,166,938.76 is: 123,053,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,695,950.75 : 205,205,949.92 = 89,166,938.76 : x
  2. Step 2: Convert to fraction form
    148,695,950.75/205,205,949.92 = 89,166,938.76/x
  3. Step 3: Cross multiply
    148,695,950.75x = 205,205,949.92 × 89,166,938.76
  4. Step 4: Simplify right side
    148,695,950.75x = 18,297,586,369,927,188
  5. Step 5: Solve for x
    x = 18,297,586,369,927,188/148,695,950.75
  6. Step 6: Final answer
    x = 123,053,696.34

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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.