Home / 154,136,113.79-231,401,472.30-132,415,455.92

Finding the Fourth Proportional to 154,136,113.79, 231,401,472.30 and 132,415,455.92

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Solution

The fourth proportional to 154,136,113.79, 231,401,472.30 and 132,415,455.92 is: 198,792,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,136,113.79 : 231,401,472.30 = 132,415,455.92 : x
  2. Step 2: Convert to fraction form
    154,136,113.79/231,401,472.30 = 132,415,455.92/x
  3. Step 3: Cross multiply
    154,136,113.79x = 231,401,472.30 × 132,415,455.92
  4. Step 4: Simplify right side
    154,136,113.79x = 30,641,131,455,163,752
  5. Step 5: Solve for x
    x = 30,641,131,455,163,752/154,136,113.79
  6. Step 6: Final answer
    x = 198,792,682.01

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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.