Home / 139,637,608.16-209,312,694.60-61,951,097.96

Finding the Fourth Proportional to 139,637,608.16, 209,312,694.60 and 61,951,097.96

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Solution

The fourth proportional to 139,637,608.16, 209,312,694.60 and 61,951,097.96 is: 92,862,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,637,608.16 : 209,312,694.60 = 61,951,097.96 : x
  2. Step 2: Convert to fraction form
    139,637,608.16/209,312,694.60 = 61,951,097.96/x
  3. Step 3: Cross multiply
    139,637,608.16x = 209,312,694.60 × 61,951,097.96
  4. Step 4: Simplify right side
    139,637,608.16x = 12,967,151,247,436,162
  5. Step 5: Solve for x
    x = 12,967,151,247,436,162/139,637,608.16
  6. Step 6: Final answer
    x = 92,862,885.71

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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.