Home / 139,621,037.39-192,690,641.21-104,277,482.16

Finding the Fourth Proportional to 139,621,037.39, 192,690,641.21 and 104,277,482.16

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Solution

The fourth proportional to 139,621,037.39, 192,690,641.21 and 104,277,482.16 is: 143,913,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,621,037.39 : 192,690,641.21 = 104,277,482.16 : x
  2. Step 2: Convert to fraction form
    139,621,037.39/192,690,641.21 = 104,277,482.16/x
  3. Step 3: Cross multiply
    139,621,037.39x = 192,690,641.21 × 104,277,482.16
  4. Step 4: Simplify right side
    139,621,037.39x = 20,093,294,901,174,736
  5. Step 5: Solve for x
    x = 20,093,294,901,174,736/139,621,037.39
  6. Step 6: Final answer
    x = 143,913,089.87

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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.