Home / 154,943,721-232,489,989.72-96,636,431.52

Finding the Fourth Proportional to 154,943,721, 232,489,989.72 and 96,636,431.52

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Solution

The fourth proportional to 154,943,721, 232,489,989.72 and 96,636,431.52 is: 145,001,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,943,721 : 232,489,989.72 = 96,636,431.52 : x
  2. Step 2: Convert to fraction form
    154,943,721/232,489,989.72 = 96,636,431.52/x
  3. Step 3: Cross multiply
    154,943,721x = 232,489,989.72 × 96,636,431.52
  4. Step 4: Simplify right side
    154,943,721x = 22,467,002,970,662,284
  5. Step 5: Solve for x
    x = 22,467,002,970,662,284/154,943,721
  6. Step 6: Final answer
    x = 145,001,054.74

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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.