Home / 121,101,175.20-181,651,762.80-99,577,814.70

Finding the Fourth Proportional to 121,101,175.20, 181,651,762.80 and 99,577,814.70

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Solution

The fourth proportional to 121,101,175.20, 181,651,762.80 and 99,577,814.70 is: 149,366,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,101,175.20 : 181,651,762.80 = 99,577,814.70 : x
  2. Step 2: Convert to fraction form
    121,101,175.20/181,651,762.80 = 99,577,814.70/x
  3. Step 3: Cross multiply
    121,101,175.20x = 181,651,762.80 × 99,577,814.70
  4. Step 4: Simplify right side
    121,101,175.20x = 18,088,485,576,026,756
  5. Step 5: Solve for x
    x = 18,088,485,576,026,756/121,101,175.20
  6. Step 6: Final answer
    x = 149,366,722.05

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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.