Home / 75,466,443.15-104,143,065.32-42,426,839.54

Finding the Fourth Proportional to 75,466,443.15, 104,143,065.32 and 42,426,839.54

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Solution

The fourth proportional to 75,466,443.15, 104,143,065.32 and 42,426,839.54 is: 58,548,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,466,443.15 : 104,143,065.32 = 42,426,839.54 : x
  2. Step 2: Convert to fraction form
    75,466,443.15/104,143,065.32 = 42,426,839.54/x
  3. Step 3: Cross multiply
    75,466,443.15x = 104,143,065.32 × 42,426,839.54
  4. Step 4: Simplify right side
    75,466,443.15x = 4,418,461,121,901,803.50
  5. Step 5: Solve for x
    x = 4,418,461,121,901,803.50/75,466,443.15
  6. Step 6: Final answer
    x = 58,548,686.51

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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.