Home / 213,801,276.46-320,584,744.10-66,207,862.64

Finding the Fourth Proportional to 213,801,276.46, 320,584,744.10 and 66,207,862.64

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Solution

The fourth proportional to 213,801,276.46, 320,584,744.10 and 66,207,862.64 is: 99,275,509.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,801,276.46 : 320,584,744.10 = 66,207,862.64 : x
  2. Step 2: Convert to fraction form
    213,801,276.46/320,584,744.10 = 66,207,862.64/x
  3. Step 3: Cross multiply
    213,801,276.46x = 320,584,744.10 × 66,207,862.64
  4. Step 4: Simplify right side
    213,801,276.46x = 21,225,230,701,852,352
  5. Step 5: Solve for x
    x = 21,225,230,701,852,352/213,801,276.46
  6. Step 6: Final answer
    x = 99,275,509.73

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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.