Home / 104,919,601.20-157,379,401.80-66,655,849.20

Finding the Fourth Proportional to 104,919,601.20, 157,379,401.80 and 66,655,849.20

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Solution

The fourth proportional to 104,919,601.20, 157,379,401.80 and 66,655,849.20 is: 99,983,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,919,601.20 : 157,379,401.80 = 66,655,849.20 : x
  2. Step 2: Convert to fraction form
    104,919,601.20/157,379,401.80 = 66,655,849.20/x
  3. Step 3: Cross multiply
    104,919,601.20x = 157,379,401.80 × 66,655,849.20
  4. Step 4: Simplify right side
    104,919,601.20x = 10,490,257,673,567,010
  5. Step 5: Solve for x
    x = 10,490,257,673,567,010/104,919,601.20
  6. Step 6: Final answer
    x = 99,983,773.80

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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.