Home / 231,012,005.20-346,518,007.80-185,662,373.20

Finding the Fourth Proportional to 231,012,005.20, 346,518,007.80 and 185,662,373.20

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Solution

The fourth proportional to 231,012,005.20, 346,518,007.80 and 185,662,373.20 is: 278,493,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,012,005.20 : 346,518,007.80 = 185,662,373.20 : x
  2. Step 2: Convert to fraction form
    231,012,005.20/346,518,007.80 = 185,662,373.20/x
  3. Step 3: Cross multiply
    231,012,005.20x = 346,518,007.80 × 185,662,373.20
  4. Step 4: Simplify right side
    231,012,005.20x = 64,335,355,684,684,112
  5. Step 5: Solve for x
    x = 64,335,355,684,684,112/231,012,005.20
  6. Step 6: Final answer
    x = 278,493,559.80

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1.5x scale

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.