Home / 79,744,076.80-119,616,115.20-49,133,075.20

Finding the Fourth Proportional to 79,744,076.80, 119,616,115.20 and 49,133,075.20

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Solution

The fourth proportional to 79,744,076.80, 119,616,115.20 and 49,133,075.20 is: 73,699,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,744,076.80 : 119,616,115.20 = 49,133,075.20 : x
  2. Step 2: Convert to fraction form
    79,744,076.80/119,616,115.20 = 49,133,075.20/x
  3. Step 3: Cross multiply
    79,744,076.80x = 119,616,115.20 × 49,133,075.20
  4. Step 4: Simplify right side
    79,744,076.80x = 5,877,107,583,253,464
  5. Step 5: Solve for x
    x = 5,877,107,583,253,464/79,744,076.80
  6. Step 6: Final answer
    x = 73,699,612.80

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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.