Home / 275,038,983-379,607,713.38-157,642,998.66

Finding the Fourth Proportional to 275,038,983, 379,607,713.38 and 157,642,998.66

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Solution

The fourth proportional to 275,038,983, 379,607,713.38 and 157,642,998.66 is: 217,578,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,038,983 : 379,607,713.38 = 157,642,998.66 : x
  2. Step 2: Convert to fraction form
    275,038,983/379,607,713.38 = 157,642,998.66/x
  3. Step 3: Cross multiply
    275,038,983x = 379,607,713.38 × 157,642,998.66
  4. Step 4: Simplify right side
    275,038,983x = 59,842,498,251,689,000
  5. Step 5: Solve for x
    x = 59,842,498,251,689,000/275,038,983
  6. Step 6: Final answer
    x = 217,578,241.45

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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.