Home / 56,850,115.93-78,453,396.40-30,744,633.68

Finding the Fourth Proportional to 56,850,115.93, 78,453,396.40 and 30,744,633.68

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Solution

The fourth proportional to 56,850,115.93, 78,453,396.40 and 30,744,633.68 is: 42,427,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,850,115.93 : 78,453,396.40 = 30,744,633.68 : x
  2. Step 2: Convert to fraction form
    56,850,115.93/78,453,396.40 = 30,744,633.68/x
  3. Step 3: Cross multiply
    56,850,115.93x = 78,453,396.40 × 30,744,633.68
  4. Step 4: Simplify right side
    56,850,115.93x = 2,412,020,933,152,549
  5. Step 5: Solve for x
    x = 2,412,020,933,152,549/56,850,115.93
  6. Step 6: Final answer
    x = 42,427,722.33

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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.