Home / 56,850,121.53-78,453,404.08-30,744,639.36

Finding the Fourth Proportional to 56,850,121.53, 78,453,404.08 and 30,744,639.36

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Solution

The fourth proportional to 56,850,121.53, 78,453,404.08 and 30,744,639.36 is: 42,427,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,850,121.53 : 78,453,404.08 = 30,744,639.36 : x
  2. Step 2: Convert to fraction form
    56,850,121.53/78,453,404.08 = 30,744,639.36/x
  3. Step 3: Cross multiply
    56,850,121.53x = 78,453,404.08 × 30,744,639.36
  4. Step 4: Simplify right side
    56,850,121.53x = 2,412,021,615,003,952.50
  5. Step 5: Solve for x
    x = 2,412,021,615,003,952.50/56,850,121.53
  6. Step 6: Final answer
    x = 42,427,730.15

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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.