Home / 74,126,816.76-102,298,782.78-42,753,198.48

Finding the Fourth Proportional to 74,126,816.76, 102,298,782.78 and 42,753,198.48

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Solution

The fourth proportional to 74,126,816.76, 102,298,782.78 and 42,753,198.48 is: 59,001,591.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,126,816.76 : 102,298,782.78 = 42,753,198.48 : x
  2. Step 2: Convert to fraction form
    74,126,816.76/102,298,782.78 = 42,753,198.48/x
  3. Step 3: Cross multiply
    74,126,816.76x = 102,298,782.78 × 42,753,198.48
  4. Step 4: Simplify right side
    74,126,816.76x = 4,373,600,164,455,746
  5. Step 5: Solve for x
    x = 4,373,600,164,455,746/74,126,816.76
  6. Step 6: Final answer
    x = 59,001,591.54

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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.