Home / 207,178,172.20-310,767,258.30-139,053,500.20

Finding the Fourth Proportional to 207,178,172.20, 310,767,258.30 and 139,053,500.20

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Solution

The fourth proportional to 207,178,172.20, 310,767,258.30 and 139,053,500.20 is: 208,580,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,178,172.20 : 310,767,258.30 = 139,053,500.20 : x
  2. Step 2: Convert to fraction form
    207,178,172.20/310,767,258.30 = 139,053,500.20/x
  3. Step 3: Cross multiply
    207,178,172.20x = 310,767,258.30 × 139,053,500.20
  4. Step 4: Simplify right side
    207,178,172.20x = 43,213,275,014,172,496
  5. Step 5: Solve for x
    x = 43,213,275,014,172,496/207,178,172.20
  6. Step 6: Final answer
    x = 208,580,250.30

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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.