Home / 51,480,389.87-71,047,319.32-29,157,346.74

Finding the Fourth Proportional to 51,480,389.87, 71,047,319.32 and 29,157,346.74

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Solution

The fourth proportional to 51,480,389.87, 71,047,319.32 and 29,157,346.74 is: 40,239,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,480,389.87 : 71,047,319.32 = 29,157,346.74 : x
  2. Step 2: Convert to fraction form
    51,480,389.87/71,047,319.32 = 29,157,346.74/x
  3. Step 3: Cross multiply
    51,480,389.87x = 71,047,319.32 × 29,157,346.74
  4. Step 4: Simplify right side
    51,480,389.87x = 2,071,551,324,214,954
  5. Step 5: Solve for x
    x = 2,071,551,324,214,954/51,480,389.87
  6. Step 6: Final answer
    x = 40,239,619.97

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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.