Home / 140,157,164.30-210,235,746.45-82,714,297.10

Finding the Fourth Proportional to 140,157,164.30, 210,235,746.45 and 82,714,297.10

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Solution

The fourth proportional to 140,157,164.30, 210,235,746.45 and 82,714,297.10 is: 124,071,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,157,164.30 : 210,235,746.45 = 82,714,297.10 : x
  2. Step 2: Convert to fraction form
    140,157,164.30/210,235,746.45 = 82,714,297.10/x
  3. Step 3: Cross multiply
    140,157,164.30x = 210,235,746.45 × 82,714,297.10
  4. Step 4: Simplify right side
    140,157,164.30x = 17,389,501,992,905,568
  5. Step 5: Solve for x
    x = 17,389,501,992,905,568/140,157,164.30
  6. Step 6: Final answer
    x = 124,071,445.65

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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.