Home / 140,157,270.30-210,235,905.45-82,714,403.10

Finding the Fourth Proportional to 140,157,270.30, 210,235,905.45 and 82,714,403.10

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Solution

The fourth proportional to 140,157,270.30, 210,235,905.45 and 82,714,403.10 is: 124,071,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,157,270.30 : 210,235,905.45 = 82,714,403.10 : x
  2. Step 2: Convert to fraction form
    140,157,270.30/210,235,905.45 = 82,714,403.10/x
  3. Step 3: Cross multiply
    140,157,270.30x = 210,235,905.45 × 82,714,403.10
  4. Step 4: Simplify right side
    140,157,270.30x = 17,389,537,429,484,784
  5. Step 5: Solve for x
    x = 17,389,537,429,484,784/140,157,270.30
  6. Step 6: Final answer
    x = 124,071,604.65

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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.