Home / 120,911,634.48-181,101,603.92-99,924,213.45

Finding the Fourth Proportional to 120,911,634.48, 181,101,603.92 and 99,924,213.45

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Solution

The fourth proportional to 120,911,634.48, 181,101,603.92 and 99,924,213.45 is: 149,666,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,911,634.48 : 181,101,603.92 = 99,924,213.45 : x
  2. Step 2: Convert to fraction form
    120,911,634.48/181,101,603.92 = 99,924,213.45/x
  3. Step 3: Cross multiply
    120,911,634.48x = 181,101,603.92 × 99,924,213.45
  4. Step 4: Simplify right side
    120,911,634.48x = 18,096,435,325,739,816
  5. Step 5: Solve for x
    x = 18,096,435,325,739,816/120,911,634.48
  6. Step 6: Final answer
    x = 149,666,617.31

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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.