Home / 217,747,868.80-326,621,803.20-96,579,320.80

Finding the Fourth Proportional to 217,747,868.80, 326,621,803.20 and 96,579,320.80

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Solution

The fourth proportional to 217,747,868.80, 326,621,803.20 and 96,579,320.80 is: 144,868,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,747,868.80 : 326,621,803.20 = 96,579,320.80 : x
  2. Step 2: Convert to fraction form
    217,747,868.80/326,621,803.20 = 96,579,320.80/x
  3. Step 3: Cross multiply
    217,747,868.80x = 326,621,803.20 × 96,579,320.80
  4. Step 4: Simplify right side
    217,747,868.80x = 31,544,911,911,527,264
  5. Step 5: Solve for x
    x = 31,544,911,911,527,264/217,747,868.80
  6. Step 6: Final answer
    x = 144,868,981.20

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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.