Home / 251,336,804.53-346,847,982.22-138,319,308.67

Finding the Fourth Proportional to 251,336,804.53, 346,847,982.22 and 138,319,308.67

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Solution

The fourth proportional to 251,336,804.53, 346,847,982.22 and 138,319,308.67 is: 190,882,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,336,804.53 : 346,847,982.22 = 138,319,308.67 : x
  2. Step 2: Convert to fraction form
    251,336,804.53/346,847,982.22 = 138,319,308.67/x
  3. Step 3: Cross multiply
    251,336,804.53x = 346,847,982.22 × 138,319,308.67
  4. Step 4: Simplify right side
    251,336,804.53x = 47,975,773,114,254,848
  5. Step 5: Solve for x
    x = 47,975,773,114,254,848/251,336,804.53
  6. Step 6: Final answer
    x = 190,882,402.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.