Home / 137,489,684.60-189,731,981.22-75,610,023.32

Finding the Fourth Proportional to 137,489,684.60, 189,731,981.22 and 75,610,023.32

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Solution

The fourth proportional to 137,489,684.60, 189,731,981.22 and 75,610,023.32 is: 104,339,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,489,684.60 : 189,731,981.22 = 75,610,023.32 : x
  2. Step 2: Convert to fraction form
    137,489,684.60/189,731,981.22 = 75,610,023.32/x
  3. Step 3: Cross multiply
    137,489,684.60x = 189,731,981.22 × 75,610,023.32
  4. Step 4: Simplify right side
    137,489,684.60x = 14,345,639,524,594,000
  5. Step 5: Solve for x
    x = 14,345,639,524,594,000/137,489,684.60
  6. Step 6: Final answer
    x = 104,339,751.50

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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.