Home / 137,489,683.60-189,731,979.84-75,610,022.32

Finding the Fourth Proportional to 137,489,683.60, 189,731,979.84 and 75,610,022.32

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Solution

The fourth proportional to 137,489,683.60, 189,731,979.84 and 75,610,022.32 is: 104,339,750.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,489,683.60 : 189,731,979.84 = 75,610,022.32 : x
  2. Step 2: Convert to fraction form
    137,489,683.60/189,731,979.84 = 75,610,022.32/x
  3. Step 3: Cross multiply
    137,489,683.60x = 189,731,979.84 × 75,610,022.32
  4. Step 4: Simplify right side
    137,489,683.60x = 14,345,639,230,520,188
  5. Step 5: Solve for x
    x = 14,345,639,230,520,188/137,489,683.60
  6. Step 6: Final answer
    x = 104,339,750.12

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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.