Home / 72,649,793.62-109,037,652.64-38,130,578.67

Finding the Fourth Proportional to 72,649,793.62, 109,037,652.64 and 38,130,578.67

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Solution

The fourth proportional to 72,649,793.62, 109,037,652.64 and 38,130,578.67 is: 57,228,914.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,649,793.62 : 109,037,652.64 = 38,130,578.67 : x
  2. Step 2: Convert to fraction form
    72,649,793.62/109,037,652.64 = 38,130,578.67/x
  3. Step 3: Cross multiply
    72,649,793.62x = 109,037,652.64 × 38,130,578.67
  4. Step 4: Simplify right side
    72,649,793.62x = 4,157,668,791,981,653.50
  5. Step 5: Solve for x
    x = 4,157,668,791,981,653.50/72,649,793.62
  6. Step 6: Final answer
    x = 57,228,914.01

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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.