Home / 48,806,890.12-67,359,481.50-28,180,301.68

Finding the Fourth Proportional to 48,806,890.12, 67,359,481.50 and 28,180,301.68

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Solution

The fourth proportional to 48,806,890.12, 67,359,481.50 and 28,180,301.68 is: 38,892,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,806,890.12 : 67,359,481.50 = 28,180,301.68 : x
  2. Step 2: Convert to fraction form
    48,806,890.12/67,359,481.50 = 28,180,301.68/x
  3. Step 3: Cross multiply
    48,806,890.12x = 67,359,481.50 × 28,180,301.68
  4. Step 4: Simplify right side
    48,806,890.12x = 1,898,210,509,678,379
  5. Step 5: Solve for x
    x = 1,898,210,509,678,379/48,806,890.12
  6. Step 6: Final answer
    x = 38,892,265.11

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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.