Home / 147,736,254.85-221,604,382.28-135,831,976.45

Finding the Fourth Proportional to 147,736,254.85, 221,604,382.28 and 135,831,976.45

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Solution

The fourth proportional to 147,736,254.85, 221,604,382.28 and 135,831,976.45 is: 203,747,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,736,254.85 : 221,604,382.28 = 135,831,976.45 : x
  2. Step 2: Convert to fraction form
    147,736,254.85/221,604,382.28 = 135,831,976.45/x
  3. Step 3: Cross multiply
    147,736,254.85x = 221,604,382.28 × 135,831,976.45
  4. Step 4: Simplify right side
    147,736,254.85x = 30,100,961,234,394,596
  5. Step 5: Solve for x
    x = 30,100,961,234,394,596/147,736,254.85
  6. Step 6: Final answer
    x = 203,747,964.68

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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.