Home / 220,126,997.40-330,190,496.10-124,575,509.40

Finding the Fourth Proportional to 220,126,997.40, 330,190,496.10 and 124,575,509.40

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Solution

The fourth proportional to 220,126,997.40, 330,190,496.10 and 124,575,509.40 is: 186,863,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,126,997.40 : 330,190,496.10 = 124,575,509.40 : x
  2. Step 2: Convert to fraction form
    220,126,997.40/330,190,496.10 = 124,575,509.40/x
  3. Step 3: Cross multiply
    220,126,997.40x = 330,190,496.10 × 124,575,509.40
  4. Step 4: Simplify right side
    220,126,997.40x = 41,133,649,250,696,216
  5. Step 5: Solve for x
    x = 41,133,649,250,696,216/220,126,997.40
  6. Step 6: Final answer
    x = 186,863,264.10

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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.