Home / 307,659,875.14-461,563,229.98-100,398,671.39

Finding the Fourth Proportional to 307,659,875.14, 461,563,229.98 and 100,398,671.39

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Solution

The fourth proportional to 307,659,875.14, 461,563,229.98 and 100,398,671.39 is: 150,621,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,659,875.14 : 461,563,229.98 = 100,398,671.39 : x
  2. Step 2: Convert to fraction form
    307,659,875.14/461,563,229.98 = 100,398,671.39/x
  3. Step 3: Cross multiply
    307,659,875.14x = 461,563,229.98 × 100,398,671.39
  4. Step 4: Simplify right side
    307,659,875.14x = 46,340,335,053,371,928
  5. Step 5: Solve for x
    x = 46,340,335,053,371,928/307,659,875.14
  6. Step 6: Final answer
    x = 150,621,965.35

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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.