Home / 117,739,648.80-176,617,346.40-40,015,418.40

Finding the Fourth Proportional to 117,739,648.80, 176,617,346.40 and 40,015,418.40

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Solution

The fourth proportional to 117,739,648.80, 176,617,346.40 and 40,015,418.40 is: 60,025,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,739,648.80 : 176,617,346.40 = 40,015,418.40 : x
  2. Step 2: Convert to fraction form
    117,739,648.80/176,617,346.40 = 40,015,418.40/x
  3. Step 3: Cross multiply
    117,739,648.80x = 176,617,346.40 × 40,015,418.40
  4. Step 4: Simplify right side
    117,739,648.80x = 7,067,417,012,893,734
  5. Step 5: Solve for x
    x = 7,067,417,012,893,734/117,739,648.80
  6. Step 6: Final answer
    x = 60,025,803.41

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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.