Home / 274,359,157.10-378,616,052.48-148,911,398.81

Finding the Fourth Proportional to 274,359,157.10, 378,616,052.48 and 148,911,398.81

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Solution

The fourth proportional to 274,359,157.10, 378,616,052.48 and 148,911,398.81 is: 205,497,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,359,157.10 : 378,616,052.48 = 148,911,398.81 : x
  2. Step 2: Convert to fraction form
    274,359,157.10/378,616,052.48 = 148,911,398.81/x
  3. Step 3: Cross multiply
    274,359,157.10x = 378,616,052.48 × 148,911,398.81
  4. Step 4: Simplify right side
    274,359,157.10x = 56,380,245,984,079,536
  5. Step 5: Solve for x
    x = 56,380,245,984,079,536/274,359,157.10
  6. Step 6: Final answer
    x = 205,497,955.97

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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.