Home / 78,284,682.93-108,019,890.09-45,248,014.02

Finding the Fourth Proportional to 78,284,682.93, 108,019,890.09 and 45,248,014.02

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Solution

The fourth proportional to 78,284,682.93, 108,019,890.09 and 45,248,014.02 is: 62,434,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,284,682.93 : 108,019,890.09 = 45,248,014.02 : x
  2. Step 2: Convert to fraction form
    78,284,682.93/108,019,890.09 = 45,248,014.02/x
  3. Step 3: Cross multiply
    78,284,682.93x = 108,019,890.09 × 45,248,014.02
  4. Step 4: Simplify right side
    78,284,682.93x = 4,887,685,501,231,180
  5. Step 5: Solve for x
    x = 4,887,685,501,231,180/78,284,682.93
  6. Step 6: Final answer
    x = 62,434,761.42

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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.