Home / 54,980,649.18-75,868,871.13-31,777,279.02

Finding the Fourth Proportional to 54,980,649.18, 75,868,871.13 and 31,777,279.02

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Solution

The fourth proportional to 54,980,649.18, 75,868,871.13 and 31,777,279.02 is: 43,850,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980,649.18 : 75,868,871.13 = 31,777,279.02 : x
  2. Step 2: Convert to fraction form
    54,980,649.18/75,868,871.13 = 31,777,279.02/x
  3. Step 3: Cross multiply
    54,980,649.18x = 75,868,871.13 × 31,777,279.02
  4. Step 4: Simplify right side
    54,980,649.18x = 2,410,906,286,830,432.50
  5. Step 5: Solve for x
    x = 2,410,906,286,830,432.50/54,980,649.18
  6. Step 6: Final answer
    x = 43,850,087.67

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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.