Home / 147,496,271.20-221,244,406.80-139,937,999.20

Finding the Fourth Proportional to 147,496,271.20, 221,244,406.80 and 139,937,999.20

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Solution

The fourth proportional to 147,496,271.20, 221,244,406.80 and 139,937,999.20 is: 209,906,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,496,271.20 : 221,244,406.80 = 139,937,999.20 : x
  2. Step 2: Convert to fraction form
    147,496,271.20/221,244,406.80 = 139,937,999.20/x
  3. Step 3: Cross multiply
    147,496,271.20x = 221,244,406.80 × 139,937,999.20
  4. Step 4: Simplify right side
    147,496,271.20x = 30,960,499,621,782,872
  5. Step 5: Solve for x
    x = 30,960,499,621,782,872/147,496,271.20
  6. Step 6: Final answer
    x = 209,906,998.80

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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.