Home / 144,921,324.03-199,992,296.85-78,842,295.20

Finding the Fourth Proportional to 144,921,324.03, 199,992,296.85 and 78,842,295.20

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Solution

The fourth proportional to 144,921,324.03, 199,992,296.85 and 78,842,295.20 is: 108,802,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,921,324.03 : 199,992,296.85 = 78,842,295.20 : x
  2. Step 2: Convert to fraction form
    144,921,324.03/199,992,296.85 = 78,842,295.20/x
  3. Step 3: Cross multiply
    144,921,324.03x = 199,992,296.85 × 78,842,295.20
  4. Step 4: Simplify right side
    144,921,324.03x = 15,767,851,705,973,730
  5. Step 5: Solve for x
    x = 15,767,851,705,973,730/144,921,324.03
  6. Step 6: Final answer
    x = 108,802,840.52

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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.