Home / 141,259,997.80-211,889,996.70-133,323,812.20

Finding the Fourth Proportional to 141,259,997.80, 211,889,996.70 and 133,323,812.20

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Solution

The fourth proportional to 141,259,997.80, 211,889,996.70 and 133,323,812.20 is: 199,985,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,259,997.80 : 211,889,996.70 = 133,323,812.20 : x
  2. Step 2: Convert to fraction form
    141,259,997.80/211,889,996.70 = 133,323,812.20/x
  3. Step 3: Cross multiply
    141,259,997.80x = 211,889,996.70 × 133,323,812.20
  4. Step 4: Simplify right side
    141,259,997.80x = 28,249,982,127,089,420
  5. Step 5: Solve for x
    x = 28,249,982,127,089,420/141,259,997.80
  6. Step 6: Final answer
    x = 199,985,718.30

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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.