Home / 79,392,042.80-119,088,064.20-76,032,810.80

Finding the Fourth Proportional to 79,392,042.80, 119,088,064.20 and 76,032,810.80

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Solution

The fourth proportional to 79,392,042.80, 119,088,064.20 and 76,032,810.80 is: 114,049,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,392,042.80 : 119,088,064.20 = 76,032,810.80 : x
  2. Step 2: Convert to fraction form
    79,392,042.80/119,088,064.20 = 76,032,810.80/x
  3. Step 3: Cross multiply
    79,392,042.80x = 119,088,064.20 × 76,032,810.80
  4. Step 4: Simplify right side
    79,392,042.80x = 9,054,600,253,856,854
  5. Step 5: Solve for x
    x = 9,054,600,253,856,854/79,392,042.80
  6. Step 6: Final answer
    x = 114,049,216.20

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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.