Home / 45,139,792.76-62,311,982.97-30,475,322.16

Finding the Fourth Proportional to 45,139,792.76, 62,311,982.97 and 30,475,322.16

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Solution

The fourth proportional to 45,139,792.76, 62,311,982.97 and 30,475,322.16 is: 42,068,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139,792.76 : 62,311,982.97 = 30,475,322.16 : x
  2. Step 2: Convert to fraction form
    45,139,792.76/62,311,982.97 = 30,475,322.16/x
  3. Step 3: Cross multiply
    45,139,792.76x = 62,311,982.97 × 30,475,322.16
  4. Step 4: Simplify right side
    45,139,792.76x = 1,898,977,755,439,183.50
  5. Step 5: Solve for x
    x = 1,898,977,755,439,183.50/45,139,792.76
  6. Step 6: Final answer
    x = 42,068,818.65

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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.