Home / 121,101,203.70-181,651,805.55-99,577,843.20

Finding the Fourth Proportional to 121,101,203.70, 181,651,805.55 and 99,577,843.20

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Solution

The fourth proportional to 121,101,203.70, 181,651,805.55 and 99,577,843.20 is: 149,366,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,101,203.70 : 181,651,805.55 = 99,577,843.20 : x
  2. Step 2: Convert to fraction form
    121,101,203.70/181,651,805.55 = 99,577,843.20/x
  3. Step 3: Cross multiply
    121,101,203.70x = 181,651,805.55 × 99,577,843.20
  4. Step 4: Simplify right side
    121,101,203.70x = 18,088,495,010,054,792
  5. Step 5: Solve for x
    x = 18,088,495,010,054,792/121,101,203.70
  6. Step 6: Final answer
    x = 149,366,764.80

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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.