Home / 48,604,149.64-67,042,124.58-31,172,884.84

Finding the Fourth Proportional to 48,604,149.64, 67,042,124.58 and 31,172,884.84

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Solution

The fourth proportional to 48,604,149.64, 67,042,124.58 and 31,172,884.84 is: 42,998,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,604,149.64 : 67,042,124.58 = 31,172,884.84 : x
  2. Step 2: Convert to fraction form
    48,604,149.64/67,042,124.58 = 31,172,884.84/x
  3. Step 3: Cross multiply
    48,604,149.64x = 67,042,124.58 × 31,172,884.84
  4. Step 4: Simplify right side
    48,604,149.64x = 2,089,896,428,961,273.25
  5. Step 5: Solve for x
    x = 2,089,896,428,961,273.25/48,604,149.64
  6. Step 6: Final answer
    x = 42,998,312.79

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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.