Home / 100,508,868.23-150,720,454.54-38,249,558.62

Finding the Fourth Proportional to 100,508,868.23, 150,720,454.54 and 38,249,558.62

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Solution

The fourth proportional to 100,508,868.23, 150,720,454.54 and 38,249,558.62 is: 57,358,031.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,508,868.23 : 150,720,454.54 = 38,249,558.62 : x
  2. Step 2: Convert to fraction form
    100,508,868.23/150,720,454.54 = 38,249,558.62/x
  3. Step 3: Cross multiply
    100,508,868.23x = 150,720,454.54 × 38,249,558.62
  4. Step 4: Simplify right side
    100,508,868.23x = 5,764,990,861,160,774
  5. Step 5: Solve for x
    x = 5,764,990,861,160,774/100,508,868.23
  6. Step 6: Final answer
    x = 57,358,031.81

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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.