Home / 369,821,560.80-554,959,089.36-165,522,401.76

Finding the Fourth Proportional to 369,821,560.80, 554,959,089.36 and 165,522,401.76

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Solution

The fourth proportional to 369,821,560.80, 554,959,089.36 and 165,522,401.76 is: 248,385,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,821,560.80 : 554,959,089.36 = 165,522,401.76 : x
  2. Step 2: Convert to fraction form
    369,821,560.80/554,959,089.36 = 165,522,401.76/x
  3. Step 3: Cross multiply
    369,821,560.80x = 554,959,089.36 × 165,522,401.76
  4. Step 4: Simplify right side
    369,821,560.80x = 91,858,161,349,409,664
  5. Step 5: Solve for x
    x = 91,858,161,349,409,664/369,821,560.80
  6. Step 6: Final answer
    x = 248,385,089.15

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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.