Home / 99,653,956.65-149,466,938.18-31,503,537.45

Finding the Fourth Proportional to 99,653,956.65, 149,466,938.18 and 31,503,537.45

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Solution

The fourth proportional to 99,653,956.65, 149,466,938.18 and 31,503,537.45 is: 47,250,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,653,956.65 : 149,466,938.18 = 31,503,537.45 : x
  2. Step 2: Convert to fraction form
    99,653,956.65/149,466,938.18 = 31,503,537.45/x
  3. Step 3: Cross multiply
    99,653,956.65x = 149,466,938.18 × 31,503,537.45
  4. Step 4: Simplify right side
    99,653,956.65x = 4,708,737,284,332,947
  5. Step 5: Solve for x
    x = 4,708,737,284,332,947/99,653,956.65
  6. Step 6: Final answer
    x = 47,250,881.38

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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.