Home / 61,694,926.79-85,089,355.52-54,236,641.88

Finding the Fourth Proportional to 61,694,926.79, 85,089,355.52 and 54,236,641.88

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Solution

The fourth proportional to 61,694,926.79, 85,089,355.52 and 54,236,641.88 is: 74,802,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,694,926.79 : 85,089,355.52 = 54,236,641.88 : x
  2. Step 2: Convert to fraction form
    61,694,926.79/85,089,355.52 = 54,236,641.88/x
  3. Step 3: Cross multiply
    61,694,926.79x = 85,089,355.52 × 54,236,641.88
  4. Step 4: Simplify right side
    61,694,926.79x = 4,614,960,903,079,781
  5. Step 5: Solve for x
    x = 4,614,960,903,079,781/61,694,926.79
  6. Step 6: Final answer
    x = 74,802,923.73

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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.