Home / 75,694,683.15-104,458,704.78-40,887,373.88

Finding the Fourth Proportional to 75,694,683.15, 104,458,704.78 and 40,887,373.88

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Solution

The fourth proportional to 75,694,683.15, 104,458,704.78 and 40,887,373.88 is: 56,424,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,694,683.15 : 104,458,704.78 = 40,887,373.88 : x
  2. Step 2: Convert to fraction form
    75,694,683.15/104,458,704.78 = 40,887,373.88/x
  3. Step 3: Cross multiply
    75,694,683.15x = 104,458,704.78 × 40,887,373.88
  4. Step 4: Simplify right side
    75,694,683.15x = 4,271,042,116,838,109.50
  5. Step 5: Solve for x
    x = 4,271,042,116,838,109.50/75,694,683.15
  6. Step 6: Final answer
    x = 56,424,598.65

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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.