Home / 112,068,143.40-168,102,215.10-89,393,327.40

Finding the Fourth Proportional to 112,068,143.40, 168,102,215.10 and 89,393,327.40

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Solution

The fourth proportional to 112,068,143.40, 168,102,215.10 and 89,393,327.40 is: 134,089,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,068,143.40 : 168,102,215.10 = 89,393,327.40 : x
  2. Step 2: Convert to fraction form
    112,068,143.40/168,102,215.10 = 89,393,327.40/x
  3. Step 3: Cross multiply
    112,068,143.40x = 168,102,215.10 × 89,393,327.40
  4. Step 4: Simplify right side
    112,068,143.40x = 15,027,216,351,099,524
  5. Step 5: Solve for x
    x = 15,027,216,351,099,524/112,068,143.40
  6. Step 6: Final answer
    x = 134,089,991.10

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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.