Home / 122,642,097.80-169,245,317.48-69,718,808.25

Finding the Fourth Proportional to 122,642,097.80, 169,245,317.48 and 69,718,808.25

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Solution

The fourth proportional to 122,642,097.80, 169,245,317.48 and 69,718,808.25 is: 96,211,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,642,097.80 : 169,245,317.48 = 69,718,808.25 : x
  2. Step 2: Convert to fraction form
    122,642,097.80/169,245,317.48 = 69,718,808.25/x
  3. Step 3: Cross multiply
    122,642,097.80x = 169,245,317.48 × 69,718,808.25
  4. Step 4: Simplify right side
    122,642,097.80x = 11,799,581,836,249,898
  5. Step 5: Solve for x
    x = 11,799,581,836,249,898/122,642,097.80
  6. Step 6: Final answer
    x = 96,211,513.41

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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.