Home / 76,446,291.20-114,669,436.80-47,780,844.80

Finding the Fourth Proportional to 76,446,291.20, 114,669,436.80 and 47,780,844.80

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Solution

The fourth proportional to 76,446,291.20, 114,669,436.80 and 47,780,844.80 is: 71,671,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,446,291.20 : 114,669,436.80 = 47,780,844.80 : x
  2. Step 2: Convert to fraction form
    76,446,291.20/114,669,436.80 = 47,780,844.80/x
  3. Step 3: Cross multiply
    76,446,291.20x = 114,669,436.80 × 47,780,844.80
  4. Step 4: Simplify right side
    76,446,291.20x = 5,479,002,563,044,208
  5. Step 5: Solve for x
    x = 5,479,002,563,044,208/76,446,291.20
  6. Step 6: Final answer
    x = 71,671,267.20

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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.