Home / 407,400,245.80-611,100,368.70-148,623,908.20

Finding the Fourth Proportional to 407,400,245.80, 611,100,368.70 and 148,623,908.20

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Solution

The fourth proportional to 407,400,245.80, 611,100,368.70 and 148,623,908.20 is: 222,935,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,400,245.80 : 611,100,368.70 = 148,623,908.20 : x
  2. Step 2: Convert to fraction form
    407,400,245.80/611,100,368.70 = 148,623,908.20/x
  3. Step 3: Cross multiply
    407,400,245.80x = 611,100,368.70 × 148,623,908.20
  4. Step 4: Simplify right side
    407,400,245.80x = 90,824,125,098,654,960
  5. Step 5: Solve for x
    x = 90,824,125,098,654,960/407,400,245.80
  6. Step 6: Final answer
    x = 222,935,862.30

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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.