Home / 56,854,299.54-78,458,932.20-30,748,817.16

Finding the Fourth Proportional to 56,854,299.54, 78,458,932.20 and 30,748,817.16

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Solution

The fourth proportional to 56,854,299.54, 78,458,932.20 and 30,748,817.16 is: 42,433,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,854,299.54 : 78,458,932.20 = 30,748,817.16 : x
  2. Step 2: Convert to fraction form
    56,854,299.54/78,458,932.20 = 30,748,817.16/x
  3. Step 3: Cross multiply
    56,854,299.54x = 78,458,932.20 × 30,748,817.16
  4. Step 4: Simplify right side
    56,854,299.54x = 2,412,519,360,786,636.50
  5. Step 5: Solve for x
    x = 2,412,519,360,786,636.50/56,854,299.54
  6. Step 6: Final answer
    x = 42,433,367.05

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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.