Home / 65,379,951.36-90,224,328.60-37,893,822.84

Finding the Fourth Proportional to 65,379,951.36, 90,224,328.60 and 37,893,822.84

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Solution

The fourth proportional to 65,379,951.36, 90,224,328.60 and 37,893,822.84 is: 52,293,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,379,951.36 : 90,224,328.60 = 37,893,822.84 : x
  2. Step 2: Convert to fraction form
    65,379,951.36/90,224,328.60 = 37,893,822.84/x
  3. Step 3: Cross multiply
    65,379,951.36x = 90,224,328.60 × 37,893,822.84
  4. Step 4: Simplify right side
    65,379,951.36x = 3,418,944,723,826,345.50
  5. Step 5: Solve for x
    x = 3,418,944,723,826,345.50/65,379,951.36
  6. Step 6: Final answer
    x = 52,293,473.04

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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.