Home / 181,497,129.80-272,245,694.70-66,493,297.40

Finding the Fourth Proportional to 181,497,129.80, 272,245,694.70 and 66,493,297.40

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Solution

The fourth proportional to 181,497,129.80, 272,245,694.70 and 66,493,297.40 is: 99,739,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,497,129.80 : 272,245,694.70 = 66,493,297.40 : x
  2. Step 2: Convert to fraction form
    181,497,129.80/272,245,694.70 = 66,493,297.40/x
  3. Step 3: Cross multiply
    181,497,129.80x = 272,245,694.70 × 66,493,297.40
  4. Step 4: Simplify right side
    181,497,129.80x = 18,102,513,943,556,704
  5. Step 5: Solve for x
    x = 18,102,513,943,556,704/181,497,129.80
  6. Step 6: Final answer
    x = 99,739,946.10

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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.