Home / 57,365,280.59-79,163,648.93-31,259,717.69

Finding the Fourth Proportional to 57,365,280.59, 79,163,648.93 and 31,259,717.69

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Solution

The fourth proportional to 57,365,280.59, 79,163,648.93 and 31,259,717.69 is: 43,138,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,365,280.59 : 79,163,648.93 = 31,259,717.69 : x
  2. Step 2: Convert to fraction form
    57,365,280.59/79,163,648.93 = 31,259,717.69/x
  3. Step 3: Cross multiply
    57,365,280.59x = 79,163,648.93 × 31,259,717.69
  4. Step 4: Simplify right side
    57,365,280.59x = 2,474,633,316,544,401.50
  5. Step 5: Solve for x
    x = 2,474,633,316,544,401.50/57,365,280.59
  6. Step 6: Final answer
    x = 43,138,171.58

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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.