Home / 140,018,672.70-210,028,009.05-37,782,546.30

Finding the Fourth Proportional to 140,018,672.70, 210,028,009.05 and 37,782,546.30

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Solution

The fourth proportional to 140,018,672.70, 210,028,009.05 and 37,782,546.30 is: 56,673,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,018,672.70 : 210,028,009.05 = 37,782,546.30 : x
  2. Step 2: Convert to fraction form
    140,018,672.70/210,028,009.05 = 37,782,546.30/x
  3. Step 3: Cross multiply
    140,018,672.70x = 210,028,009.05 × 37,782,546.30
  4. Step 4: Simplify right side
    140,018,672.70x = 7,935,392,976,228,444
  5. Step 5: Solve for x
    x = 7,935,392,976,228,444/140,018,672.70
  6. Step 6: Final answer
    x = 56,673,819.45

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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.