Home / 121,181,998.20-181,887,158.70-63,715,511.40

Finding the Fourth Proportional to 121,181,998.20, 181,887,158.70 and 63,715,511.40

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Solution

The fourth proportional to 121,181,998.20, 181,887,158.70 and 63,715,511.40 is: 95,633,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,181,998.20 : 181,887,158.70 = 63,715,511.40 : x
  2. Step 2: Convert to fraction form
    121,181,998.20/181,887,158.70 = 63,715,511.40/x
  3. Step 3: Cross multiply
    121,181,998.20x = 181,887,158.70 × 63,715,511.40
  4. Step 4: Simplify right side
    121,181,998.20x = 11,589,033,333,663,458
  5. Step 5: Solve for x
    x = 11,589,033,333,663,458/121,181,998.20
  6. Step 6: Final answer
    x = 95,633,291.30

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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.