Home / 211,207,391.56-316,811,340.06-57,854,770.12

Finding the Fourth Proportional to 211,207,391.56, 316,811,340.06 and 57,854,770.12

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Solution

The fourth proportional to 211,207,391.56, 316,811,340.06 and 57,854,770.12 is: 86,782,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,207,391.56 : 316,811,340.06 = 57,854,770.12 : x
  2. Step 2: Convert to fraction form
    211,207,391.56/316,811,340.06 = 57,854,770.12/x
  3. Step 3: Cross multiply
    211,207,391.56x = 316,811,340.06 × 57,854,770.12
  4. Step 4: Simplify right side
    211,207,391.56x = 18,329,047,250,580,448
  5. Step 5: Solve for x
    x = 18,329,047,250,580,448/211,207,391.56
  6. Step 6: Final answer
    x = 86,782,224.41

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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.