Home / 89,186,998.80-133,780,498.20-79,833,637.20

Finding the Fourth Proportional to 89,186,998.80, 133,780,498.20 and 79,833,637.20

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Solution

The fourth proportional to 89,186,998.80, 133,780,498.20 and 79,833,637.20 is: 119,750,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,186,998.80 : 133,780,498.20 = 79,833,637.20 : x
  2. Step 2: Convert to fraction form
    89,186,998.80/133,780,498.20 = 79,833,637.20/x
  3. Step 3: Cross multiply
    89,186,998.80x = 133,780,498.20 × 79,833,637.20
  4. Step 4: Simplify right side
    89,186,998.80x = 10,680,183,757,734,054
  5. Step 5: Solve for x
    x = 10,680,183,757,734,054/89,186,998.80
  6. Step 6: Final answer
    x = 119,750,455.80

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1.5x scale

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.