Home / 56,756,698.05-78,324,240.33-30,651,213.36

Finding the Fourth Proportional to 56,756,698.05, 78,324,240.33 and 30,651,213.36

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Solution

The fourth proportional to 56,756,698.05, 78,324,240.33 and 30,651,213.36 is: 42,298,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,756,698.05 : 78,324,240.33 = 30,651,213.36 : x
  2. Step 2: Convert to fraction form
    56,756,698.05/78,324,240.33 = 30,651,213.36/x
  3. Step 3: Cross multiply
    56,756,698.05x = 78,324,240.33 × 30,651,213.36
  4. Step 4: Simplify right side
    56,756,698.05x = 2,400,733,001,614,746.50
  5. Step 5: Solve for x
    x = 2,400,733,001,614,746.50/56,756,698.05
  6. Step 6: Final answer
    x = 42,298,672.83

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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.