Home / 75,466,410.45-104,143,020.38-42,426,806.85

Finding the Fourth Proportional to 75,466,410.45, 104,143,020.38 and 42,426,806.85

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Solution

The fourth proportional to 75,466,410.45, 104,143,020.38 and 42,426,806.85 is: 58,548,641.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,466,410.45 : 104,143,020.38 = 42,426,806.85 : x
  2. Step 2: Convert to fraction form
    75,466,410.45/104,143,020.38 = 42,426,806.85/x
  3. Step 3: Cross multiply
    75,466,410.45x = 104,143,020.38 × 42,426,806.85
  4. Step 4: Simplify right side
    75,466,410.45x = 4,418,455,810,384,840
  5. Step 5: Solve for x
    x = 4,418,455,810,384,840/75,466,410.45
  6. Step 6: Final answer
    x = 58,548,641.50

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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.