Home / 140,877,997.80-211,316,996.70-89,859,661.80

Finding the Fourth Proportional to 140,877,997.80, 211,316,996.70 and 89,859,661.80

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Solution

The fourth proportional to 140,877,997.80, 211,316,996.70 and 89,859,661.80 is: 134,789,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,877,997.80 : 211,316,996.70 = 89,859,661.80 : x
  2. Step 2: Convert to fraction form
    140,877,997.80/211,316,996.70 = 89,859,661.80/x
  3. Step 3: Cross multiply
    140,877,997.80x = 211,316,996.70 × 89,859,661.80
  4. Step 4: Simplify right side
    140,877,997.80x = 18,988,873,856,053,716
  5. Step 5: Solve for x
    x = 18,988,873,856,053,716/140,877,997.80
  6. Step 6: Final answer
    x = 134,789,492.70

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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.