Home / 120,501,762.39-166,280,812.34-67,580,618.49

Finding the Fourth Proportional to 120,501,762.39, 166,280,812.34 and 67,580,618.49

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Solution

The fourth proportional to 120,501,762.39, 166,280,812.34 and 67,580,618.49 is: 93,254,736.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,501,762.39 : 166,280,812.34 = 67,580,618.49 : x
  2. Step 2: Convert to fraction form
    120,501,762.39/166,280,812.34 = 67,580,618.49/x
  3. Step 3: Cross multiply
    120,501,762.39x = 166,280,812.34 × 67,580,618.49
  4. Step 4: Simplify right side
    120,501,762.39x = 11,237,360,140,618,920
  5. Step 5: Solve for x
    x = 11,237,360,140,618,920/120,501,762.39
  6. Step 6: Final answer
    x = 93,254,736.84

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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.