Home / 215,743,632.64-323,621,478.50-70,177,194.72

Finding the Fourth Proportional to 215,743,632.64, 323,621,478.50 and 70,177,194.72

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Solution

The fourth proportional to 215,743,632.64, 323,621,478.50 and 70,177,194.72 is: 105,267,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,743,632.64 : 323,621,478.50 = 70,177,194.72 : x
  2. Step 2: Convert to fraction form
    215,743,632.64/323,621,478.50 = 70,177,194.72/x
  3. Step 3: Cross multiply
    215,743,632.64x = 323,621,478.50 × 70,177,194.72
  4. Step 4: Simplify right side
    215,743,632.64x = 22,710,847,511,917,908
  5. Step 5: Solve for x
    x = 22,710,847,511,917,908/215,743,632.64
  6. Step 6: Final answer
    x = 105,267,753.37

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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.