Home / 75,894,981.76-113,658,939.60-43,448,474.80

Finding the Fourth Proportional to 75,894,981.76, 113,658,939.60 and 43,448,474.80

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Solution

The fourth proportional to 75,894,981.76, 113,658,939.60 and 43,448,474.80 is: 65,067,642.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,894,981.76 : 113,658,939.60 = 43,448,474.80 : x
  2. Step 2: Convert to fraction form
    75,894,981.76/113,658,939.60 = 43,448,474.80/x
  3. Step 3: Cross multiply
    75,894,981.76x = 113,658,939.60 × 43,448,474.80
  4. Step 4: Simplify right side
    75,894,981.76x = 4,938,307,573,005,321
  5. Step 5: Solve for x
    x = 4,938,307,573,005,321/75,894,981.76
  6. Step 6: Final answer
    x = 65,067,642.93

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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.