Home / 90,165,323.10-124,430,922.81-51,006,314.46

Finding the Fourth Proportional to 90,165,323.10, 124,430,922.81 and 51,006,314.46

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Solution

The fourth proportional to 90,165,323.10, 124,430,922.81 and 51,006,314.46 is: 70,390,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,165,323.10 : 124,430,922.81 = 51,006,314.46 : x
  2. Step 2: Convert to fraction form
    90,165,323.10/124,430,922.81 = 51,006,314.46/x
  3. Step 3: Cross multiply
    90,165,323.10x = 124,430,922.81 × 51,006,314.46
  4. Step 4: Simplify right side
    90,165,323.10x = 6,346,762,777,394,847
  5. Step 5: Solve for x
    x = 6,346,762,777,394,847/90,165,323.10
  6. Step 6: Final answer
    x = 70,390,284.86

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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.