Home / 140,094,667.80-210,142,001.70-138,181,480.20

Finding the Fourth Proportional to 140,094,667.80, 210,142,001.70 and 138,181,480.20

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Solution

The fourth proportional to 140,094,667.80, 210,142,001.70 and 138,181,480.20 is: 207,272,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,094,667.80 : 210,142,001.70 = 138,181,480.20 : x
  2. Step 2: Convert to fraction form
    140,094,667.80/210,142,001.70 = 138,181,480.20/x
  3. Step 3: Cross multiply
    140,094,667.80x = 210,142,001.70 × 138,181,480.20
  4. Step 4: Simplify right side
    140,094,667.80x = 29,037,732,847,096,912
  5. Step 5: Solve for x
    x = 29,037,732,847,096,912/140,094,667.80
  6. Step 6: Final answer
    x = 207,272,220.30

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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.