Home / 228,374,721.36-315,157,461.12-123,952,830.48

Finding the Fourth Proportional to 228,374,721.36, 315,157,461.12 and 123,952,830.48

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Solution

The fourth proportional to 228,374,721.36, 315,157,461.12 and 123,952,830.48 is: 171,055,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,374,721.36 : 315,157,461.12 = 123,952,830.48 : x
  2. Step 2: Convert to fraction form
    228,374,721.36/315,157,461.12 = 123,952,830.48/x
  3. Step 3: Cross multiply
    228,374,721.36x = 315,157,461.12 × 123,952,830.48
  4. Step 4: Simplify right side
    228,374,721.36x = 39,064,659,352,714,552
  5. Step 5: Solve for x
    x = 39,064,659,352,714,552/228,374,721.36
  6. Step 6: Final answer
    x = 171,055,093.66

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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.