Home / 56,850,082.49-78,453,350.25-30,744,600.32

Finding the Fourth Proportional to 56,850,082.49, 78,453,350.25 and 30,744,600.32

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Solution

The fourth proportional to 56,850,082.49, 78,453,350.25 and 30,744,600.32 is: 42,427,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,850,082.49 : 78,453,350.25 = 30,744,600.32 : x
  2. Step 2: Convert to fraction form
    56,850,082.49/78,453,350.25 = 30,744,600.32/x
  3. Step 3: Cross multiply
    56,850,082.49x = 78,453,350.25 × 30,744,600.32
  4. Step 4: Simplify right side
    56,850,082.49x = 2,412,016,896,655,232.50
  5. Step 5: Solve for x
    x = 2,412,016,896,655,232.50/56,850,082.49
  6. Step 6: Final answer
    x = 42,427,676.29

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1.5x scale

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.