Home / 206,757,738.90-310,136,608.35-130,230,234.90

Finding the Fourth Proportional to 206,757,738.90, 310,136,608.35 and 130,230,234.90

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Solution

The fourth proportional to 206,757,738.90, 310,136,608.35 and 130,230,234.90 is: 195,345,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,757,738.90 : 310,136,608.35 = 130,230,234.90 : x
  2. Step 2: Convert to fraction form
    206,757,738.90/310,136,608.35 = 130,230,234.90/x
  3. Step 3: Cross multiply
    206,757,738.90x = 310,136,608.35 × 130,230,234.90
  4. Step 4: Simplify right side
    206,757,738.90x = 40,389,163,356,509,808
  5. Step 5: Solve for x
    x = 40,389,163,356,509,808/206,757,738.90
  6. Step 6: Final answer
    x = 195,345,352.35

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1.5x scale

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.