Home / 122,212,789.60-168,650,277.78-67,208,646.10

Finding the Fourth Proportional to 122,212,789.60, 168,650,277.78 and 67,208,646.10

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Solution

The fourth proportional to 122,212,789.60, 168,650,277.78 and 67,208,646.10 is: 92,746,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,212,789.60 : 168,650,277.78 = 67,208,646.10 : x
  2. Step 2: Convert to fraction form
    122,212,789.60/168,650,277.78 = 67,208,646.10/x
  3. Step 3: Cross multiply
    122,212,789.60x = 168,650,277.78 × 67,208,646.10
  4. Step 4: Simplify right side
    122,212,789.60x = 11,334,756,833,982,712
  5. Step 5: Solve for x
    x = 11,334,756,833,982,712/122,212,789.60
  6. Step 6: Final answer
    x = 92,746,077.32

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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.