Home / 72,953,972.70-109,461,103.05-31,992,216.54

Finding the Fourth Proportional to 72,953,972.70, 109,461,103.05 and 31,992,216.54

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Solution

The fourth proportional to 72,953,972.70, 109,461,103.05 and 31,992,216.54 is: 48,001,543.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,953,972.70 : 109,461,103.05 = 31,992,216.54 : x
  2. Step 2: Convert to fraction form
    72,953,972.70/109,461,103.05 = 31,992,216.54/x
  3. Step 3: Cross multiply
    72,953,972.70x = 109,461,103.05 × 31,992,216.54
  4. Step 4: Simplify right side
    72,953,972.70x = 3,501,903,311,482,854.50
  5. Step 5: Solve for x
    x = 3,501,903,311,482,854.50/72,953,972.70
  6. Step 6: Final answer
    x = 48,001,543.74

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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.