Home / 247,176,078.40-370,764,117.60-143,722,230.40

Finding the Fourth Proportional to 247,176,078.40, 370,764,117.60 and 143,722,230.40

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Solution

The fourth proportional to 247,176,078.40, 370,764,117.60 and 143,722,230.40 is: 215,583,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,176,078.40 : 370,764,117.60 = 143,722,230.40 : x
  2. Step 2: Convert to fraction form
    247,176,078.40/370,764,117.60 = 143,722,230.40/x
  3. Step 3: Cross multiply
    247,176,078.40x = 370,764,117.60 × 143,722,230.40
  4. Step 4: Simplify right side
    247,176,078.40x = 53,287,045,933,759,904
  5. Step 5: Solve for x
    x = 53,287,045,933,759,904/247,176,078.40
  6. Step 6: Final answer
    x = 215,583,345.60

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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.