Home / 65,384,731.80-98,077,097.70-55,181,064.60

Finding the Fourth Proportional to 65,384,731.80, 98,077,097.70 and 55,181,064.60

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Solution

The fourth proportional to 65,384,731.80, 98,077,097.70 and 55,181,064.60 is: 82,771,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,384,731.80 : 98,077,097.70 = 55,181,064.60 : x
  2. Step 2: Convert to fraction form
    65,384,731.80/98,077,097.70 = 55,181,064.60/x
  3. Step 3: Cross multiply
    65,384,731.80x = 98,077,097.70 × 55,181,064.60
  4. Step 4: Simplify right side
    65,384,731.80x = 5,411,998,663,964,212
  5. Step 5: Solve for x
    x = 5,411,998,663,964,212/65,384,731.80
  6. Step 6: Final answer
    x = 82,771,596.90

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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.