Home / 144,014,217.52-198,740,122-77,934,699.24

Finding the Fourth Proportional to 144,014,217.52, 198,740,122 and 77,934,699.24

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Solution

The fourth proportional to 144,014,217.52, 198,740,122 and 77,934,699.24 is: 107,550,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,014,217.52 : 198,740,122 = 77,934,699.24 : x
  2. Step 2: Convert to fraction form
    144,014,217.52/198,740,122 = 77,934,699.24/x
  3. Step 3: Cross multiply
    144,014,217.52x = 198,740,122 × 77,934,699.24
  4. Step 4: Simplify right side
    144,014,217.52x = 15,488,751,634,990,906
  5. Step 5: Solve for x
    x = 15,488,751,634,990,906/144,014,217.52
  6. Step 6: Final answer
    x = 107,550,156.52

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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.