Home / 77,432,436.04-116,149,885.67-43,107,011.77

Finding the Fourth Proportional to 77,432,436.04, 116,149,885.67 and 43,107,011.77

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Solution

The fourth proportional to 77,432,436.04, 116,149,885.67 and 43,107,011.77 is: 64,661,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432,436.04 : 116,149,885.67 = 43,107,011.77 : x
  2. Step 2: Convert to fraction form
    77,432,436.04/116,149,885.67 = 43,107,011.77/x
  3. Step 3: Cross multiply
    77,432,436.04x = 116,149,885.67 × 43,107,011.77
  4. Step 4: Simplify right side
    77,432,436.04x = 5,006,874,488,660,845
  5. Step 5: Solve for x
    x = 5,006,874,488,660,845/77,432,436.04
  6. Step 6: Final answer
    x = 64,661,203.30

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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.