Home / 276,587,110.10-414,880,665.15-215,365,106.90

Finding the Fourth Proportional to 276,587,110.10, 414,880,665.15 and 215,365,106.90

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Solution

The fourth proportional to 276,587,110.10, 414,880,665.15 and 215,365,106.90 is: 323,047,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,587,110.10 : 414,880,665.15 = 215,365,106.90 : x
  2. Step 2: Convert to fraction form
    276,587,110.10/414,880,665.15 = 215,365,106.90/x
  3. Step 3: Cross multiply
    276,587,110.10x = 414,880,665.15 × 215,365,106.90
  4. Step 4: Simplify right side
    276,587,110.10x = 89,350,818,800,772,848
  5. Step 5: Solve for x
    x = 89,350,818,800,772,848/276,587,110.10
  6. Step 6: Final answer
    x = 323,047,660.35

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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.