Home / 147,191,194.90-203,125,192.27-81,114,064.00

Finding the Fourth Proportional to 147,191,194.90, 203,125,192.27 and 81,114,064.00

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Solution

The fourth proportional to 147,191,194.90, 203,125,192.27 and 81,114,064.00 is: 111,938,148.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,191,194.90 : 203,125,192.27 = 81,114,064.00 : x
  2. Step 2: Convert to fraction form
    147,191,194.90/203,125,192.27 = 81,114,064.00/x
  3. Step 3: Cross multiply
    147,191,194.90x = 203,125,192.27 × 81,114,064.00
  4. Step 4: Simplify right side
    147,191,194.90x = 16,476,309,845,546,348
  5. Step 5: Solve for x
    x = 16,476,309,845,546,348/147,191,194.90
  6. Step 6: Final answer
    x = 111,938,148.59

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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.