Home / 238,022,531.34-356,870,802.12-121,211,775.24

Finding the Fourth Proportional to 238,022,531.34, 356,870,802.12 and 121,211,775.24

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Solution

The fourth proportional to 238,022,531.34, 356,870,802.12 and 121,211,775.24 is: 181,734,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,022,531.34 : 356,870,802.12 = 121,211,775.24 : x
  2. Step 2: Convert to fraction form
    238,022,531.34/356,870,802.12 = 121,211,775.24/x
  3. Step 3: Cross multiply
    238,022,531.34x = 356,870,802.12 × 121,211,775.24
  4. Step 4: Simplify right side
    238,022,531.34x = 43,256,943,454,503,600
  5. Step 5: Solve for x
    x = 43,256,943,454,503,600/238,022,531.34
  6. Step 6: Final answer
    x = 181,734,658.53

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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.