Home / 206,961,840.60-310,442,760.90-190,240,330.20

Finding the Fourth Proportional to 206,961,840.60, 310,442,760.90 and 190,240,330.20

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Solution

The fourth proportional to 206,961,840.60, 310,442,760.90 and 190,240,330.20 is: 285,360,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,961,840.60 : 310,442,760.90 = 190,240,330.20 : x
  2. Step 2: Convert to fraction form
    206,961,840.60/310,442,760.90 = 190,240,330.20/x
  3. Step 3: Cross multiply
    206,961,840.60x = 310,442,760.90 × 190,240,330.20
  4. Step 4: Simplify right side
    206,961,840.60x = 59,058,733,341,815,640
  5. Step 5: Solve for x
    x = 59,058,733,341,815,640/206,961,840.60
  6. Step 6: Final answer
    x = 285,360,495.30

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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.