Home / 107,853,117,399.90-148,715,502,851.77-80,669,274,292.17

Finding the Fourth Proportional to 107,853,117,399.90, 148,715,502,851.77 and 80,669,274,292.17

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Solution

The fourth proportional to 107,853,117,399.90, 148,715,502,851.77 and 80,669,274,292.17 is: 111,232,498,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,853,117,399.90 : 148,715,502,851.77 = 80,669,274,292.17 : x
  2. Step 2: Convert to fraction form
    107,853,117,399.90/148,715,502,851.77 = 80,669,274,292.17/x
  3. Step 3: Cross multiply
    107,853,117,399.90x = 148,715,502,851.77 × 80,669,274,292.17
  4. Step 4: Simplify right side
    107,853,117,399.90x = 11,996,771,691,047,422,001,152
  5. Step 5: Solve for x
    x = 11,996,771,691,047,422,001,152/107,853,117,399.90
  6. Step 6: Final answer
    x = 111,232,498,237.08

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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.