Home / 127,340,335.50-175,604,821.74-80,849,876.82

Finding the Fourth Proportional to 127,340,335.50, 175,604,821.74 and 80,849,876.82

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Solution

The fourth proportional to 127,340,335.50, 175,604,821.74 and 80,849,876.82 is: 111,493,566.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,340,335.50 : 175,604,821.74 = 80,849,876.82 : x
  2. Step 2: Convert to fraction form
    127,340,335.50/175,604,821.74 = 80,849,876.82/x
  3. Step 3: Cross multiply
    127,340,335.50x = 175,604,821.74 × 80,849,876.82
  4. Step 4: Simplify right side
    127,340,335.50x = 14,197,628,206,677,058
  5. Step 5: Solve for x
    x = 14,197,628,206,677,058/127,340,335.50
  6. Step 6: Final answer
    x = 111,493,566.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.