Home / 56,756,695.06-78,324,236.18-30,651,210.37

Finding the Fourth Proportional to 56,756,695.06, 78,324,236.18 and 30,651,210.37

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Solution

The fourth proportional to 56,756,695.06, 78,324,236.18 and 30,651,210.37 is: 42,298,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,756,695.06 : 78,324,236.18 = 30,651,210.37 : x
  2. Step 2: Convert to fraction form
    56,756,695.06/78,324,236.18 = 30,651,210.37/x
  3. Step 3: Cross multiply
    56,756,695.06x = 78,324,236.18 × 30,651,210.37
  4. Step 4: Simplify right side
    56,756,695.06x = 2,400,732,640,282,336.50
  5. Step 5: Solve for x
    x = 2,400,732,640,282,336.50/56,756,695.06
  6. Step 6: Final answer
    x = 42,298,668.69

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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.