Home / 238,618,106.97-357,978,678.57-72,634,591.32

Finding the Fourth Proportional to 238,618,106.97, 357,978,678.57 and 72,634,591.32

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Solution

The fourth proportional to 238,618,106.97, 357,978,678.57 and 72,634,591.32 is: 108,967,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,618,106.97 : 357,978,678.57 = 72,634,591.32 : x
  2. Step 2: Convert to fraction form
    238,618,106.97/357,978,678.57 = 72,634,591.32/x
  3. Step 3: Cross multiply
    238,618,106.97x = 357,978,678.57 × 72,634,591.32
  4. Step 4: Simplify right side
    238,618,106.97x = 26,001,635,019,205,588
  5. Step 5: Solve for x
    x = 26,001,635,019,205,588/238,618,106.97
  6. Step 6: Final answer
    x = 108,967,568.93

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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.