Home / 68,110,917.60-102,166,376.40-67,685,764.80

Finding the Fourth Proportional to 68,110,917.60, 102,166,376.40 and 67,685,764.80

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Solution

The fourth proportional to 68,110,917.60, 102,166,376.40 and 67,685,764.80 is: 101,528,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,110,917.60 : 102,166,376.40 = 67,685,764.80 : x
  2. Step 2: Convert to fraction form
    68,110,917.60/102,166,376.40 = 67,685,764.80/x
  3. Step 3: Cross multiply
    68,110,917.60x = 102,166,376.40 × 67,685,764.80
  4. Step 4: Simplify right side
    68,110,917.60x = 6,915,209,323,478,671
  5. Step 5: Solve for x
    x = 6,915,209,323,478,671/68,110,917.60
  6. Step 6: Final answer
    x = 101,528,647.20

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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.