Home / 75,466,410.32-104,143,020.21-42,426,806.73

Finding the Fourth Proportional to 75,466,410.32, 104,143,020.21 and 42,426,806.73

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Solution

The fourth proportional to 75,466,410.32, 104,143,020.21 and 42,426,806.73 is: 58,548,641.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,466,410.32 : 104,143,020.21 = 42,426,806.73 : x
  2. Step 2: Convert to fraction form
    75,466,410.32/104,143,020.21 = 42,426,806.73/x
  3. Step 3: Cross multiply
    75,466,410.32x = 104,143,020.21 × 42,426,806.73
  4. Step 4: Simplify right side
    75,466,410.32x = 4,418,455,790,728,153.50
  5. Step 5: Solve for x
    x = 4,418,455,790,728,153.50/75,466,410.32
  6. Step 6: Final answer
    x = 58,548,641.34

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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.