Home / 213,884,819.40-320,827,229.10-52,326,755.40

Finding the Fourth Proportional to 213,884,819.40, 320,827,229.10 and 52,326,755.40

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Solution

The fourth proportional to 213,884,819.40, 320,827,229.10 and 52,326,755.40 is: 78,490,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,884,819.40 : 320,827,229.10 = 52,326,755.40 : x
  2. Step 2: Convert to fraction form
    213,884,819.40/320,827,229.10 = 52,326,755.40/x
  3. Step 3: Cross multiply
    213,884,819.40x = 320,827,229.10 × 52,326,755.40
  4. Step 4: Simplify right side
    213,884,819.40x = 16,787,847,942,775,462
  5. Step 5: Solve for x
    x = 16,787,847,942,775,462/213,884,819.40
  6. Step 6: Final answer
    x = 78,490,133.10

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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.