Home / 144,014,216.52-198,740,120.62-77,934,698.24

Finding the Fourth Proportional to 144,014,216.52, 198,740,120.62 and 77,934,698.24

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Solution

The fourth proportional to 144,014,216.52, 198,740,120.62 and 77,934,698.24 is: 107,550,155.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,014,216.52 : 198,740,120.62 = 77,934,698.24 : x
  2. Step 2: Convert to fraction form
    144,014,216.52/198,740,120.62 = 77,934,698.24/x
  3. Step 3: Cross multiply
    144,014,216.52x = 198,740,120.62 × 77,934,698.24
  4. Step 4: Simplify right side
    144,014,216.52x = 15,488,751,328,700,902
  5. Step 5: Solve for x
    x = 15,488,751,328,700,902/144,014,216.52
  6. Step 6: Final answer
    x = 107,550,155.14

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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.