Home / 317,363,669.50-475,828,178.42-161,615,994.30

Finding the Fourth Proportional to 317,363,669.50, 475,828,178.42 and 161,615,994.30

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Solution

The fourth proportional to 317,363,669.50, 475,828,178.42 and 161,615,994.30 is: 242,313,319.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,363,669.50 : 475,828,178.42 = 161,615,994.30 : x
  2. Step 2: Convert to fraction form
    317,363,669.50/475,828,178.42 = 161,615,994.30/x
  3. Step 3: Cross multiply
    317,363,669.50x = 475,828,178.42 × 161,615,994.30
  4. Step 4: Simplify right side
    317,363,669.50x = 76,901,444,171,306,112
  5. Step 5: Solve for x
    x = 76,901,444,171,306,112/317,363,669.50
  6. Step 6: Final answer
    x = 242,313,319.27

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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.