Home / 198,503,390.34-297,769,322.88-52,936,189.20

Finding the Fourth Proportional to 198,503,390.34, 297,769,322.88 and 52,936,189.20

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Solution

The fourth proportional to 198,503,390.34, 297,769,322.88 and 52,936,189.20 is: 79,408,080.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,503,390.34 : 297,769,322.88 = 52,936,189.20 : x
  2. Step 2: Convert to fraction form
    198,503,390.34/297,769,322.88 = 52,936,189.20/x
  3. Step 3: Cross multiply
    198,503,390.34x = 297,769,322.88 × 52,936,189.20
  4. Step 4: Simplify right side
    198,503,390.34x = 15,762,773,213,931,570
  5. Step 5: Solve for x
    x = 15,762,773,213,931,570/198,503,390.34
  6. Step 6: Final answer
    x = 79,408,080.57

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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.