Home / 56,770,977.56-78,343,980.52-30,665,495.54

Finding the Fourth Proportional to 56,770,977.56, 78,343,980.52 and 30,665,495.54

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Solution

The fourth proportional to 56,770,977.56, 78,343,980.52 and 30,665,495.54 is: 42,318,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,770,977.56 : 78,343,980.52 = 30,665,495.54 : x
  2. Step 2: Convert to fraction form
    56,770,977.56/78,343,980.52 = 30,665,495.54/x
  3. Step 3: Cross multiply
    56,770,977.56x = 78,343,980.52 × 30,665,495.54
  4. Step 4: Simplify right side
    56,770,977.56x = 2,402,456,985,341,103
  5. Step 5: Solve for x
    x = 2,402,456,985,341,103/56,770,977.56
  6. Step 6: Final answer
    x = 42,318,400.85

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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.