Home / 238,618,105.97-357,978,677.07-72,634,590.32

Finding the Fourth Proportional to 238,618,105.97, 357,978,677.07 and 72,634,590.32

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Solution

The fourth proportional to 238,618,105.97, 357,978,677.07 and 72,634,590.32 is: 108,967,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,618,105.97 : 357,978,677.07 = 72,634,590.32 : x
  2. Step 2: Convert to fraction form
    238,618,105.97/357,978,677.07 = 72,634,590.32/x
  3. Step 3: Cross multiply
    238,618,105.97x = 357,978,677.07 × 72,634,590.32
  4. Step 4: Simplify right side
    238,618,105.97x = 26,001,634,551,911,852
  5. Step 5: Solve for x
    x = 26,001,634,551,911,852/238,618,105.97
  6. Step 6: Final answer
    x = 108,967,567.43

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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.