Home / 103,367,370.70-142,640,544.27-56,955,027.34

Finding the Fourth Proportional to 103,367,370.70, 142,640,544.27 and 56,955,027.34

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Solution

The fourth proportional to 103,367,370.70, 142,640,544.27 and 56,955,027.34 is: 78,594,396.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,367,370.70 : 142,640,544.27 = 56,955,027.34 : x
  2. Step 2: Convert to fraction form
    103,367,370.70/142,640,544.27 = 56,955,027.34/x
  3. Step 3: Cross multiply
    103,367,370.70x = 142,640,544.27 × 56,955,027.34
  4. Step 4: Simplify right side
    103,367,370.70x = 8,124,096,098,690,331
  5. Step 5: Solve for x
    x = 8,124,096,098,690,331/103,367,370.70
  6. Step 6: Final answer
    x = 78,594,396.31

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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.