Home / 412,928,939.34-619,376,610.15-102,028,725.63

Finding the Fourth Proportional to 412,928,939.34, 619,376,610.15 and 102,028,725.63

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Solution

The fourth proportional to 412,928,939.34, 619,376,610.15 and 102,028,725.63 is: 153,038,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,928,939.34 : 619,376,610.15 = 102,028,725.63 : x
  2. Step 2: Convert to fraction form
    412,928,939.34/619,376,610.15 = 102,028,725.63/x
  3. Step 3: Cross multiply
    412,928,939.34x = 619,376,610.15 × 102,028,725.63
  4. Step 4: Simplify right side
    412,928,939.34x = 63,194,206,218,633,816
  5. Step 5: Solve for x
    x = 63,194,206,218,633,816/412,928,939.34
  6. Step 6: Final answer
    x = 153,038,937.69

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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.