Home / 75,082,638.52-103,614,041.12-40,743,822.52

Finding the Fourth Proportional to 75,082,638.52, 103,614,041.12 and 40,743,822.52

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Solution

The fourth proportional to 75,082,638.52, 103,614,041.12 and 40,743,822.52 is: 56,226,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082,638.52 : 103,614,041.12 = 40,743,822.52 : x
  2. Step 2: Convert to fraction form
    75,082,638.52/103,614,041.12 = 40,743,822.52/x
  3. Step 3: Cross multiply
    75,082,638.52x = 103,614,041.12 × 40,743,822.52
  4. Step 4: Simplify right side
    75,082,638.52x = 4,221,632,101,973,262.50
  5. Step 5: Solve for x
    x = 4,221,632,101,973,262.50/75,082,638.52
  6. Step 6: Final answer
    x = 56,226,475.06

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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.