Home / 314,928,306.80-472,392,460.20-161,873,298.80

Finding the Fourth Proportional to 314,928,306.80, 472,392,460.20 and 161,873,298.80

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Solution

The fourth proportional to 314,928,306.80, 472,392,460.20 and 161,873,298.80 is: 242,809,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,306.80 : 472,392,460.20 = 161,873,298.80 : x
  2. Step 2: Convert to fraction form
    314,928,306.80/472,392,460.20 = 161,873,298.80/x
  3. Step 3: Cross multiply
    314,928,306.80x = 472,392,460.20 × 161,873,298.80
  4. Step 4: Simplify right side
    314,928,306.80x = 76,467,725,860,821,712
  5. Step 5: Solve for x
    x = 76,467,725,860,821,712/314,928,306.80
  6. Step 6: Final answer
    x = 242,809,948.20

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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.