Home / 278,714,326.01-384,531,627.03-157,999,363.25

Finding the Fourth Proportional to 278,714,326.01, 384,531,627.03 and 157,999,363.25

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Solution

The fourth proportional to 278,714,326.01, 384,531,627.03 and 157,999,363.25 is: 217,985,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,714,326.01 : 384,531,627.03 = 157,999,363.25 : x
  2. Step 2: Convert to fraction form
    278,714,326.01/384,531,627.03 = 157,999,363.25/x
  3. Step 3: Cross multiply
    278,714,326.01x = 384,531,627.03 × 157,999,363.25
  4. Step 4: Simplify right side
    278,714,326.01x = 60,755,752,218,303,824
  5. Step 5: Solve for x
    x = 60,755,752,218,303,824/278,714,326.01
  6. Step 6: Final answer
    x = 217,985,752.97

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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.