Home / 69,863,520.69-96,412,316.87-38,502,698.85

Finding the Fourth Proportional to 69,863,520.69, 96,412,316.87 and 38,502,698.85

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Solution

The fourth proportional to 69,863,520.69, 96,412,316.87 and 38,502,698.85 is: 53,134,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,863,520.69 : 96,412,316.87 = 38,502,698.85 : x
  2. Step 2: Convert to fraction form
    69,863,520.69/96,412,316.87 = 38,502,698.85/x
  3. Step 3: Cross multiply
    69,863,520.69x = 96,412,316.87 × 38,502,698.85
  4. Step 4: Simplify right side
    69,863,520.69x = 3,712,134,401,876,385
  5. Step 5: Solve for x
    x = 3,712,134,401,876,385/69,863,520.69
  6. Step 6: Final answer
    x = 53,134,087.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.