Home / 40,203,609.42-60,312,139.17-31,567,360.26

Finding the Fourth Proportional to 40,203,609.42, 60,312,139.17 and 31,567,360.26

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Solution

The fourth proportional to 40,203,609.42, 60,312,139.17 and 31,567,360.26 is: 47,356,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,203,609.42 : 60,312,139.17 = 31,567,360.26 : x
  2. Step 2: Convert to fraction form
    40,203,609.42/60,312,139.17 = 31,567,360.26/x
  3. Step 3: Cross multiply
    40,203,609.42x = 60,312,139.17 × 31,567,360.26
  4. Step 4: Simplify right side
    40,203,609.42x = 1,903,895,025,230,647.50
  5. Step 5: Solve for x
    x = 1,903,895,025,230,647.50/40,203,609.42
  6. Step 6: Final answer
    x = 47,356,320.81

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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.