Home / 45,901,318.50-68,851,903.91-31,480,666.97

Finding the Fourth Proportional to 45,901,318.50, 68,851,903.91 and 31,480,666.97

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Solution

The fourth proportional to 45,901,318.50, 68,851,903.91 and 31,480,666.97 is: 47,220,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,901,318.50 : 68,851,903.91 = 31,480,666.97 : x
  2. Step 2: Convert to fraction form
    45,901,318.50/68,851,903.91 = 31,480,666.97/x
  3. Step 3: Cross multiply
    45,901,318.50x = 68,851,903.91 × 31,480,666.97
  4. Step 4: Simplify right side
    45,901,318.50x = 2,167,503,856,739,488
  5. Step 5: Solve for x
    x = 2,167,503,856,739,488/45,901,318.50
  6. Step 6: Final answer
    x = 47,220,949.80

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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.