Home / 146,447,414.28-220,014,130.68-138,174,518.16

Finding the Fourth Proportional to 146,447,414.28, 220,014,130.68 and 138,174,518.16

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Solution

The fourth proportional to 146,447,414.28, 220,014,130.68 and 138,174,518.16 is: 207,585,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,447,414.28 : 220,014,130.68 = 138,174,518.16 : x
  2. Step 2: Convert to fraction form
    146,447,414.28/220,014,130.68 = 138,174,518.16/x
  3. Step 3: Cross multiply
    146,447,414.28x = 220,014,130.68 × 138,174,518.16
  4. Step 4: Simplify right side
    146,447,414.28x = 30,400,346,495,100,272
  5. Step 5: Solve for x
    x = 30,400,346,495,100,272/146,447,414.28
  6. Step 6: Final answer
    x = 207,585,409.72

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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.