Home / 199,771,511.20-299,677,225.20-54,207,383.20

Finding the Fourth Proportional to 199,771,511.20, 299,677,225.20 and 54,207,383.20

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Solution

The fourth proportional to 199,771,511.20, 299,677,225.20 and 54,207,383.20 is: 81,316,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,771,511.20 : 299,677,225.20 = 54,207,383.20 : x
  2. Step 2: Convert to fraction form
    199,771,511.20/299,677,225.20 = 54,207,383.20/x
  3. Step 3: Cross multiply
    199,771,511.20x = 299,677,225.20 × 54,207,383.20
  4. Step 4: Simplify right side
    199,771,511.20x = 16,244,718,182,729,096
  5. Step 5: Solve for x
    x = 16,244,718,182,729,096/199,771,511.20
  6. Step 6: Final answer
    x = 81,316,490.45

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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.