Home / 87,348,288.33-120,539,806.59-48,190,381.38

Finding the Fourth Proportional to 87,348,288.33, 120,539,806.59 and 48,190,381.38

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Solution

The fourth proportional to 87,348,288.33, 120,539,806.59 and 48,190,381.38 is: 66,502,267.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,348,288.33 : 120,539,806.59 = 48,190,381.38 : x
  2. Step 2: Convert to fraction form
    87,348,288.33/120,539,806.59 = 48,190,381.38/x
  3. Step 3: Cross multiply
    87,348,288.33x = 120,539,806.59 × 48,190,381.38
  4. Step 4: Simplify right side
    87,348,288.33x = 5,808,859,251,043,538
  5. Step 5: Solve for x
    x = 5,808,859,251,043,538/87,348,288.33
  6. Step 6: Final answer
    x = 66,502,267.67

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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.