Home / 47,251,761.82-70,767,511.75-45,615,218.65

Finding the Fourth Proportional to 47,251,761.82, 70,767,511.75 and 45,615,218.65

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Solution

The fourth proportional to 47,251,761.82, 70,767,511.75 and 45,615,218.65 is: 68,316,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,251,761.82 : 70,767,511.75 = 45,615,218.65 : x
  2. Step 2: Convert to fraction form
    47,251,761.82/70,767,511.75 = 45,615,218.65/x
  3. Step 3: Cross multiply
    47,251,761.82x = 70,767,511.75 × 45,615,218.65
  4. Step 4: Simplify right side
    47,251,761.82x = 3,228,075,521,792,694
  5. Step 5: Solve for x
    x = 3,228,075,521,792,694/47,251,761.82
  6. Step 6: Final answer
    x = 68,316,511.33

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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.