Home / 56,754,886.46-78,321,742.53-30,649,403.53

Finding the Fourth Proportional to 56,754,886.46, 78,321,742.53 and 30,649,403.53

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Solution

The fourth proportional to 56,754,886.46, 78,321,742.53 and 30,649,403.53 is: 42,296,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,754,886.46 : 78,321,742.53 = 30,649,403.53 : x
  2. Step 2: Convert to fraction form
    56,754,886.46/78,321,742.53 = 30,649,403.53/x
  3. Step 3: Cross multiply
    56,754,886.46x = 78,321,742.53 × 30,649,403.53
  4. Step 4: Simplify right side
    56,754,886.46x = 2,400,514,691,583,124.50
  5. Step 5: Solve for x
    x = 2,400,514,691,583,124.50/56,754,886.46
  6. Step 6: Final answer
    x = 42,296,176.44

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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.