Home / 314,939,114.70-472,408,672.05-84,931,449.90

Finding the Fourth Proportional to 314,939,114.70, 472,408,672.05 and 84,931,449.90

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Solution

The fourth proportional to 314,939,114.70, 472,408,672.05 and 84,931,449.90 is: 127,397,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,939,114.70 : 472,408,672.05 = 84,931,449.90 : x
  2. Step 2: Convert to fraction form
    314,939,114.70/472,408,672.05 = 84,931,449.90/x
  3. Step 3: Cross multiply
    314,939,114.70x = 472,408,672.05 × 84,931,449.90
  4. Step 4: Simplify right side
    314,939,114.70x = 40,122,353,462,540,112
  5. Step 5: Solve for x
    x = 40,122,353,462,540,112/314,939,114.70
  6. Step 6: Final answer
    x = 127,397,174.85

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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.