Home / 188,946,020.80-283,419,031.20-79,894,327.60

Finding the Fourth Proportional to 188,946,020.80, 283,419,031.20 and 79,894,327.60

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Solution

The fourth proportional to 188,946,020.80, 283,419,031.20 and 79,894,327.60 is: 119,841,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,946,020.80 : 283,419,031.20 = 79,894,327.60 : x
  2. Step 2: Convert to fraction form
    188,946,020.80/283,419,031.20 = 79,894,327.60/x
  3. Step 3: Cross multiply
    188,946,020.80x = 283,419,031.20 × 79,894,327.60
  4. Step 4: Simplify right side
    188,946,020.80x = 22,643,572,926,767,420
  5. Step 5: Solve for x
    x = 22,643,572,926,767,420/188,946,020.80
  6. Step 6: Final answer
    x = 119,841,491.40

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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.