Home / 100,524,270.98-150,646,903.18-45,803,125.28

Finding the Fourth Proportional to 100,524,270.98, 150,646,903.18 and 45,803,125.28

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Solution

The fourth proportional to 100,524,270.98, 150,646,903.18 and 45,803,125.28 is: 68,641,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,524,270.98 : 150,646,903.18 = 45,803,125.28 : x
  2. Step 2: Convert to fraction form
    100,524,270.98/150,646,903.18 = 45,803,125.28/x
  3. Step 3: Cross multiply
    100,524,270.98x = 150,646,903.18 × 45,803,125.28
  4. Step 4: Simplify right side
    100,524,270.98x = 6,900,098,978,529,828
  5. Step 5: Solve for x
    x = 6,900,098,978,529,828/100,524,270.98
  6. Step 6: Final answer
    x = 68,641,124.29

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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.