Home / 78,800,558.60-118,101,305.10-38,323,886.60

Finding the Fourth Proportional to 78,800,558.60, 118,101,305.10 and 38,323,886.60

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Solution

The fourth proportional to 78,800,558.60, 118,101,305.10 and 38,323,886.60 is: 57,437,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,800,558.60 : 118,101,305.10 = 38,323,886.60 : x
  2. Step 2: Convert to fraction form
    78,800,558.60/118,101,305.10 = 38,323,886.60/x
  3. Step 3: Cross multiply
    78,800,558.60x = 118,101,305.10 × 38,323,886.60
  4. Step 4: Simplify right side
    78,800,558.60x = 4,526,101,023,964,402
  5. Step 5: Solve for x
    x = 4,526,101,023,964,402/78,800,558.60
  6. Step 6: Final answer
    x = 57,437,423.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.