Home / 251,254,360.44-376,881,672.14-78,744,609.64

Finding the Fourth Proportional to 251,254,360.44, 376,881,672.14 and 78,744,609.64

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Solution

The fourth proportional to 251,254,360.44, 376,881,672.14 and 78,744,609.64 is: 118,116,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,254,360.44 : 376,881,672.14 = 78,744,609.64 : x
  2. Step 2: Convert to fraction form
    251,254,360.44/376,881,672.14 = 78,744,609.64/x
  3. Step 3: Cross multiply
    251,254,360.44x = 376,881,672.14 × 78,744,609.64
  4. Step 4: Simplify right side
    251,254,360.44x = 29,677,400,153,134,764
  5. Step 5: Solve for x
    x = 29,677,400,153,134,764/251,254,360.44
  6. Step 6: Final answer
    x = 118,116,955.67

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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.