Home / 144,540,854.29-199,466,633.87-78,461,398.31

Finding the Fourth Proportional to 144,540,854.29, 199,466,633.87 and 78,461,398.31

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Solution

The fourth proportional to 144,540,854.29, 199,466,633.87 and 78,461,398.31 is: 108,276,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,540,854.29 : 199,466,633.87 = 78,461,398.31 : x
  2. Step 2: Convert to fraction form
    144,540,854.29/199,466,633.87 = 78,461,398.31/x
  3. Step 3: Cross multiply
    144,540,854.29x = 199,466,633.87 × 78,461,398.31
  4. Step 4: Simplify right side
    144,540,854.29x = 15,650,431,009,629,008
  5. Step 5: Solve for x
    x = 15,650,431,009,629,008/144,540,854.29
  6. Step 6: Final answer
    x = 108,276,868.06

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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.