Home / 140,259,997.80-210,389,996.70-63,732,493.80

Finding the Fourth Proportional to 140,259,997.80, 210,389,996.70 and 63,732,493.80

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Solution

The fourth proportional to 140,259,997.80, 210,389,996.70 and 63,732,493.80 is: 95,598,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,259,997.80 : 210,389,996.70 = 63,732,493.80 : x
  2. Step 2: Convert to fraction form
    140,259,997.80/210,389,996.70 = 63,732,493.80/x
  3. Step 3: Cross multiply
    140,259,997.80x = 210,389,996.70 × 63,732,493.80
  4. Step 4: Simplify right side
    140,259,997.80x = 13,408,679,160,264,770
  5. Step 5: Solve for x
    x = 13,408,679,160,264,770/140,259,997.80
  6. Step 6: Final answer
    x = 95,598,740.70

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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.