Home / 103,603,363.76-142,973,098.64-57,193,999.04

Finding the Fourth Proportional to 103,603,363.76, 142,973,098.64 and 57,193,999.04

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Solution

The fourth proportional to 103,603,363.76, 142,973,098.64 and 57,193,999.04 is: 78,927,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,603,363.76 : 142,973,098.64 = 57,193,999.04 : x
  2. Step 2: Convert to fraction form
    103,603,363.76/142,973,098.64 = 57,193,999.04/x
  3. Step 3: Cross multiply
    103,603,363.76x = 142,973,098.64 × 57,193,999.04
  4. Step 4: Simplify right side
    103,603,363.76x = 8,177,203,265,361,149
  5. Step 5: Solve for x
    x = 8,177,203,265,361,149/103,603,363.76
  6. Step 6: Final answer
    x = 78,927,970.76

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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.