Home / 218,899,233.80-328,132,274.70-103,681,262.60

Finding the Fourth Proportional to 218,899,233.80, 328,132,274.70 and 103,681,262.60

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Solution

The fourth proportional to 218,899,233.80, 328,132,274.70 and 103,681,262.60 is: 155,419,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,899,233.80 : 328,132,274.70 = 103,681,262.60 : x
  2. Step 2: Convert to fraction form
    218,899,233.80/328,132,274.70 = 103,681,262.60/x
  3. Step 3: Cross multiply
    218,899,233.80x = 328,132,274.70 × 103,681,262.60
  4. Step 4: Simplify right side
    218,899,233.80x = 34,021,168,540,706,032
  5. Step 5: Solve for x
    x = 34,021,168,540,706,032/218,899,233.80
  6. Step 6: Final answer
    x = 155,419,313.03

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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.