Home / 274,128,910.32-378,236,700.80-162,563,058.40

Finding the Fourth Proportional to 274,128,910.32, 378,236,700.80 and 162,563,058.40

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Solution

The fourth proportional to 274,128,910.32, 378,236,700.80 and 162,563,058.40 is: 224,300,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,128,910.32 : 378,236,700.80 = 162,563,058.40 : x
  2. Step 2: Convert to fraction form
    274,128,910.32/378,236,700.80 = 162,563,058.40/x
  3. Step 3: Cross multiply
    274,128,910.32x = 378,236,700.80 × 162,563,058.40
  4. Step 4: Simplify right side
    274,128,910.32x = 61,487,314,881,173,728
  5. Step 5: Solve for x
    x = 61,487,314,881,173,728/274,128,910.32
  6. Step 6: Final answer
    x = 224,300,730.66

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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.