Home / 48,604,220.64-67,042,222.56-31,172,955.84

Finding the Fourth Proportional to 48,604,220.64, 67,042,222.56 and 31,172,955.84

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Solution

The fourth proportional to 48,604,220.64, 67,042,222.56 and 31,172,955.84 is: 42,998,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,604,220.64 : 67,042,222.56 = 31,172,955.84 : x
  2. Step 2: Convert to fraction form
    48,604,220.64/67,042,222.56 = 31,172,955.84/x
  3. Step 3: Cross multiply
    48,604,220.64x = 67,042,222.56 × 31,172,955.84
  4. Step 4: Simplify right side
    48,604,220.64x = 2,089,904,243,278,331.75
  5. Step 5: Solve for x
    x = 2,089,904,243,278,331.75/48,604,220.64
  6. Step 6: Final answer
    x = 42,998,410.75

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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.