Home / 139,743,883.56-209,653,564.68-42,696,944.94

Finding the Fourth Proportional to 139,743,883.56, 209,653,564.68 and 42,696,944.94

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Solution

The fourth proportional to 139,743,883.56, 209,653,564.68 and 42,696,944.94 is: 64,056,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,743,883.56 : 209,653,564.68 = 42,696,944.94 : x
  2. Step 2: Convert to fraction form
    139,743,883.56/209,653,564.68 = 42,696,944.94/x
  3. Step 3: Cross multiply
    139,743,883.56x = 209,653,564.68 × 42,696,944.94
  4. Step 4: Simplify right side
    139,743,883.56x = 8,951,566,707,616,689
  5. Step 5: Solve for x
    x = 8,951,566,707,616,689/139,743,883.56
  6. Step 6: Final answer
    x = 64,056,948.18

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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.