Home / 112,067,746.40-168,101,619.60-89,392,930.40

Finding the Fourth Proportional to 112,067,746.40, 168,101,619.60 and 89,392,930.40

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Solution

The fourth proportional to 112,067,746.40, 168,101,619.60 and 89,392,930.40 is: 134,089,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,067,746.40 : 168,101,619.60 = 89,392,930.40 : x
  2. Step 2: Convert to fraction form
    112,067,746.40/168,101,619.60 = 89,392,930.40/x
  3. Step 3: Cross multiply
    112,067,746.40x = 168,101,619.60 × 89,392,930.40
  4. Step 4: Simplify right side
    112,067,746.40x = 15,027,096,381,030,076
  5. Step 5: Solve for x
    x = 15,027,096,381,030,076/112,067,746.40
  6. Step 6: Final answer
    x = 134,089,395.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.