Home / 77,432,372.95-116,149,791.09-43,106,948.79

Finding the Fourth Proportional to 77,432,372.95, 116,149,791.09 and 43,106,948.79

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Solution

The fourth proportional to 77,432,372.95, 116,149,791.09 and 43,106,948.79 is: 64,661,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432,372.95 : 116,149,791.09 = 43,106,948.79 : x
  2. Step 2: Convert to fraction form
    77,432,372.95/116,149,791.09 = 43,106,948.79/x
  3. Step 3: Cross multiply
    77,432,372.95x = 116,149,791.09 × 43,106,948.79
  4. Step 4: Simplify right side
    77,432,372.95x = 5,006,863,096,459,808
  5. Step 5: Solve for x
    x = 5,006,863,096,459,808/77,432,372.95
  6. Step 6: Final answer
    x = 64,661,108.86

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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.