Home / 213,890,823.45-320,798,308.95-97,278,864.44

Finding the Fourth Proportional to 213,890,823.45, 320,798,308.95 and 97,278,864.44

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Solution

The fourth proportional to 213,890,823.45, 320,798,308.95 and 97,278,864.44 is: 145,901,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,890,823.45 : 320,798,308.95 = 97,278,864.44 : x
  2. Step 2: Convert to fraction form
    213,890,823.45/320,798,308.95 = 97,278,864.44/x
  3. Step 3: Cross multiply
    213,890,823.45x = 320,798,308.95 × 97,278,864.44
  4. Step 4: Simplify right side
    213,890,823.45x = 31,206,895,207,324,296
  5. Step 5: Solve for x
    x = 31,206,895,207,324,296/213,890,823.45
  6. Step 6: Final answer
    x = 145,901,047.57

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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.