Home / 56,674,340.70-85,105,989.45-31,133,679.90

Finding the Fourth Proportional to 56,674,340.70, 85,105,989.45 and 31,133,679.90

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Solution

The fourth proportional to 56,674,340.70, 85,105,989.45 and 31,133,679.90 is: 46,752,420.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,674,340.70 : 85,105,989.45 = 31,133,679.90 : x
  2. Step 2: Convert to fraction form
    56,674,340.70/85,105,989.45 = 31,133,679.90/x
  3. Step 3: Cross multiply
    56,674,340.70x = 85,105,989.45 × 31,133,679.90
  4. Step 4: Simplify right side
    56,674,340.70x = 2,649,662,633,109,077
  5. Step 5: Solve for x
    x = 2,649,662,633,109,077/56,674,340.70
  6. Step 6: Final answer
    x = 46,752,420.94

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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.