Home / 99,578,420.82-149,335,306.02-33,086,991.51

Finding the Fourth Proportional to 99,578,420.82, 149,335,306.02 and 33,086,991.51

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Solution

The fourth proportional to 99,578,420.82, 149,335,306.02 and 33,086,991.51 is: 49,619,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,578,420.82 : 149,335,306.02 = 33,086,991.51 : x
  2. Step 2: Convert to fraction form
    99,578,420.82/149,335,306.02 = 33,086,991.51/x
  3. Step 3: Cross multiply
    99,578,420.82x = 149,335,306.02 × 33,086,991.51
  4. Step 4: Simplify right side
    99,578,420.82x = 4,941,056,002,426,992
  5. Step 5: Solve for x
    x = 4,941,056,002,426,992/99,578,420.82
  6. Step 6: Final answer
    x = 49,619,746.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.