Home / 121,863,537.68-168,171,682.00-69,653,694.36

Finding the Fourth Proportional to 121,863,537.68, 168,171,682.00 and 69,653,694.36

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Solution

The fourth proportional to 121,863,537.68, 168,171,682.00 and 69,653,694.36 is: 96,122,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,863,537.68 : 168,171,682.00 = 69,653,694.36 : x
  2. Step 2: Convert to fraction form
    121,863,537.68/168,171,682.00 = 69,653,694.36/x
  3. Step 3: Cross multiply
    121,863,537.68x = 168,171,682.00 × 69,653,694.36
  4. Step 4: Simplify right side
    121,863,537.68x = 11,713,778,937,860,980
  5. Step 5: Solve for x
    x = 11,713,778,937,860,980/121,863,537.68
  6. Step 6: Final answer
    x = 96,122,098.22

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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.