Home / 247,176,076.90-370,764,115.35-143,722,228.90

Finding the Fourth Proportional to 247,176,076.90, 370,764,115.35 and 143,722,228.90

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Solution

The fourth proportional to 247,176,076.90, 370,764,115.35 and 143,722,228.90 is: 215,583,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,176,076.90 : 370,764,115.35 = 143,722,228.90 : x
  2. Step 2: Convert to fraction form
    247,176,076.90/370,764,115.35 = 143,722,228.90/x
  3. Step 3: Cross multiply
    247,176,076.90x = 370,764,115.35 × 143,722,228.90
  4. Step 4: Simplify right side
    247,176,076.90x = 53,287,045,054,238,712
  5. Step 5: Solve for x
    x = 53,287,045,054,238,712/247,176,076.90
  6. Step 6: Final answer
    x = 215,583,343.35

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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.