Home / 144,292,387.25-199,118,159.79-78,211,466.73

Finding the Fourth Proportional to 144,292,387.25, 199,118,159.79 and 78,211,466.73

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Solution

The fourth proportional to 144,292,387.25, 199,118,159.79 and 78,211,466.73 is: 107,928,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,292,387.25 : 199,118,159.79 = 78,211,466.73 : x
  2. Step 2: Convert to fraction form
    144,292,387.25/199,118,159.79 = 78,211,466.73/x
  3. Step 3: Cross multiply
    144,292,387.25x = 199,118,159.79 × 78,211,466.73
  4. Step 4: Simplify right side
    144,292,387.25x = 15,573,323,329,754,408
  5. Step 5: Solve for x
    x = 15,573,323,329,754,408/144,292,387.25
  6. Step 6: Final answer
    x = 107,928,932.54

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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.