Home / 141,259,998.30-211,889,997.45-133,323,812.70

Finding the Fourth Proportional to 141,259,998.30, 211,889,997.45 and 133,323,812.70

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Solution

The fourth proportional to 141,259,998.30, 211,889,997.45 and 133,323,812.70 is: 199,985,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,259,998.30 : 211,889,997.45 = 133,323,812.70 : x
  2. Step 2: Convert to fraction form
    141,259,998.30/211,889,997.45 = 133,323,812.70/x
  3. Step 3: Cross multiply
    141,259,998.30x = 211,889,997.45 × 133,323,812.70
  4. Step 4: Simplify right side
    141,259,998.30x = 28,249,982,333,027,276
  5. Step 5: Solve for x
    x = 28,249,982,333,027,276/141,259,998.30
  6. Step 6: Final answer
    x = 199,985,719.05

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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.