Home / 112,068,140.40-168,102,210.60-89,393,324.40

Finding the Fourth Proportional to 112,068,140.40, 168,102,210.60 and 89,393,324.40

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Solution

The fourth proportional to 112,068,140.40, 168,102,210.60 and 89,393,324.40 is: 134,089,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,068,140.40 : 168,102,210.60 = 89,393,324.40 : x
  2. Step 2: Convert to fraction form
    112,068,140.40/168,102,210.60 = 89,393,324.40/x
  3. Step 3: Cross multiply
    112,068,140.40x = 168,102,210.60 × 89,393,324.40
  4. Step 4: Simplify right side
    112,068,140.40x = 15,027,215,444,522,920
  5. Step 5: Solve for x
    x = 15,027,215,444,522,920/112,068,140.40
  6. Step 6: Final answer
    x = 134,089,986.60

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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.