Home / 407,400,154.80-611,100,232.20-148,623,817.20

Finding the Fourth Proportional to 407,400,154.80, 611,100,232.20 and 148,623,817.20

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Solution

The fourth proportional to 407,400,154.80, 611,100,232.20 and 148,623,817.20 is: 222,935,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,400,154.80 : 611,100,232.20 = 148,623,817.20 : x
  2. Step 2: Convert to fraction form
    407,400,154.80/611,100,232.20 = 148,623,817.20/x
  3. Step 3: Cross multiply
    407,400,154.80x = 611,100,232.20 × 148,623,817.20
  4. Step 4: Simplify right side
    407,400,154.80x = 90,824,049,201,370,352
  5. Step 5: Solve for x
    x = 90,824,049,201,370,352/407,400,154.80
  6. Step 6: Final answer
    x = 222,935,725.80

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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.