Home / 141,350,791.80-212,026,187.70-127,745,902.20

Finding the Fourth Proportional to 141,350,791.80, 212,026,187.70 and 127,745,902.20

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Solution

The fourth proportional to 141,350,791.80, 212,026,187.70 and 127,745,902.20 is: 191,618,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,350,791.80 : 212,026,187.70 = 127,745,902.20 : x
  2. Step 2: Convert to fraction form
    141,350,791.80/212,026,187.70 = 127,745,902.20/x
  3. Step 3: Cross multiply
    141,350,791.80x = 212,026,187.70 × 127,745,902.20
  4. Step 4: Simplify right side
    141,350,791.80x = 27,085,476,637,763,044
  5. Step 5: Solve for x
    x = 27,085,476,637,763,044/141,350,791.80
  6. Step 6: Final answer
    x = 191,618,853.30

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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.