Home / 187,638,343.81-281,463,439.07-64,823,657.32

Finding the Fourth Proportional to 187,638,343.81, 281,463,439.07 and 64,823,657.32

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Solution

The fourth proportional to 187,638,343.81, 281,463,439.07 and 64,823,657.32 is: 97,237,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,638,343.81 : 281,463,439.07 = 64,823,657.32 : x
  2. Step 2: Convert to fraction form
    187,638,343.81/281,463,439.07 = 64,823,657.32/x
  3. Step 3: Cross multiply
    187,638,343.81x = 281,463,439.07 × 64,823,657.32
  4. Step 4: Simplify right side
    187,638,343.81x = 18,245,489,521,313,036
  5. Step 5: Solve for x
    x = 18,245,489,521,313,036/187,638,343.81
  6. Step 6: Final answer
    x = 97,237,532.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.