Home / 234,222,154.74-323,230,108.45-128,374,723.17

Finding the Fourth Proportional to 234,222,154.74, 323,230,108.45 and 128,374,723.17

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Solution

The fourth proportional to 234,222,154.74, 323,230,108.45 and 128,374,723.17 is: 177,159,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,222,154.74 : 323,230,108.45 = 128,374,723.17 : x
  2. Step 2: Convert to fraction form
    234,222,154.74/323,230,108.45 = 128,374,723.17/x
  3. Step 3: Cross multiply
    234,222,154.74x = 323,230,108.45 × 128,374,723.17
  4. Step 4: Simplify right side
    234,222,154.74x = 41,494,575,692,477,824
  5. Step 5: Solve for x
    x = 41,494,575,692,477,824/234,222,154.74
  6. Step 6: Final answer
    x = 177,159,055.43

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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.