Home / 71,966,803.80-99,305,654.34-40,603,024.56

Finding the Fourth Proportional to 71,966,803.80, 99,305,654.34 and 40,603,024.56

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Solution

The fourth proportional to 71,966,803.80, 99,305,654.34 and 40,603,024.56 is: 56,027,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,966,803.80 : 99,305,654.34 = 40,603,024.56 : x
  2. Step 2: Convert to fraction form
    71,966,803.80/99,305,654.34 = 40,603,024.56/x
  3. Step 3: Cross multiply
    71,966,803.80x = 99,305,654.34 × 40,603,024.56
  4. Step 4: Simplify right side
    71,966,803.80x = 4,032,109,922,113,891
  5. Step 5: Solve for x
    x = 4,032,109,922,113,891/71,966,803.80
  6. Step 6: Final answer
    x = 56,027,358.58

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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.