Home / 147,191,186.39-203,125,180.58-81,114,055.49

Finding the Fourth Proportional to 147,191,186.39, 203,125,180.58 and 81,114,055.49

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Solution

The fourth proportional to 147,191,186.39, 203,125,180.58 and 81,114,055.49 is: 111,938,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,191,186.39 : 203,125,180.58 = 81,114,055.49 : x
  2. Step 2: Convert to fraction form
    147,191,186.39/203,125,180.58 = 81,114,055.49/x
  3. Step 3: Cross multiply
    147,191,186.39x = 203,125,180.58 × 81,114,055.49
  4. Step 4: Simplify right side
    147,191,186.39x = 16,476,307,168,627,092
  5. Step 5: Solve for x
    x = 16,476,307,168,627,092/147,191,186.39
  6. Step 6: Final answer
    x = 111,938,136.88

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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.