Home / 56,756,714.58-78,324,263.07-30,651,229.86

Finding the Fourth Proportional to 56,756,714.58, 78,324,263.07 and 30,651,229.86

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Solution

The fourth proportional to 56,756,714.58, 78,324,263.07 and 30,651,229.86 is: 42,298,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,756,714.58 : 78,324,263.07 = 30,651,229.86 : x
  2. Step 2: Convert to fraction form
    56,756,714.58/78,324,263.07 = 30,651,229.86/x
  3. Step 3: Cross multiply
    56,756,714.58x = 78,324,263.07 × 30,651,229.86
  4. Step 4: Simplify right side
    56,756,714.58x = 2,400,734,990,973,679
  5. Step 5: Solve for x
    x = 2,400,734,990,973,679/56,756,714.58
  6. Step 6: Final answer
    x = 42,298,695.56

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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.