Home / 147,191,243.60-203,125,259.60-81,114,112.72

Finding the Fourth Proportional to 147,191,243.60, 203,125,259.60 and 81,114,112.72

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Solution

The fourth proportional to 147,191,243.60, 203,125,259.60 and 81,114,112.72 is: 111,938,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,191,243.60 : 203,125,259.60 = 81,114,112.72 : x
  2. Step 2: Convert to fraction form
    147,191,243.60/203,125,259.60 = 81,114,112.72/x
  3. Step 3: Cross multiply
    147,191,243.60x = 203,125,259.60 × 81,114,112.72
  4. Step 4: Simplify right side
    147,191,243.60x = 16,476,325,203,473,662
  5. Step 5: Solve for x
    x = 16,476,325,203,473,662/147,191,243.60
  6. Step 6: Final answer
    x = 111,938,215.89

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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.