Home / 141,158,673.20-211,738,009.80-135,186,705.20

Finding the Fourth Proportional to 141,158,673.20, 211,738,009.80 and 135,186,705.20

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Solution

The fourth proportional to 141,158,673.20, 211,738,009.80 and 135,186,705.20 is: 202,780,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,158,673.20 : 211,738,009.80 = 135,186,705.20 : x
  2. Step 2: Convert to fraction form
    141,158,673.20/211,738,009.80 = 135,186,705.20/x
  3. Step 3: Cross multiply
    141,158,673.20x = 211,738,009.80 × 135,186,705.20
  4. Step 4: Simplify right side
    141,158,673.20x = 28,624,163,910,467,312
  5. Step 5: Solve for x
    x = 28,624,163,910,467,312/141,158,673.20
  6. Step 6: Final answer
    x = 202,780,057.80

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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.