Home / 75,082,638.50-103,614,041.13-40,743,822.50

Finding the Fourth Proportional to 75,082,638.50, 103,614,041.13 and 40,743,822.50

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Solution

The fourth proportional to 75,082,638.50, 103,614,041.13 and 40,743,822.50 is: 56,226,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082,638.50 : 103,614,041.13 = 40,743,822.50 : x
  2. Step 2: Convert to fraction form
    75,082,638.50/103,614,041.13 = 40,743,822.50/x
  3. Step 3: Cross multiply
    75,082,638.50x = 103,614,041.13 × 40,743,822.50
  4. Step 4: Simplify right side
    75,082,638.50x = 4,221,632,100,308,419
  5. Step 5: Solve for x
    x = 4,221,632,100,308,419/75,082,638.50
  6. Step 6: Final answer
    x = 56,226,475.05

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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.