Home / 74,490,193,981.20-111,735,290,971.80-66,408,889,558.80

Finding the Fourth Proportional to 74,490,193,981.20, 111,735,290,971.80 and 66,408,889,558.80

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Solution

The fourth proportional to 74,490,193,981.20, 111,735,290,971.80 and 66,408,889,558.80 is: 99,613,334,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490,193,981.20 : 111,735,290,971.80 = 66,408,889,558.80 : x
  2. Step 2: Convert to fraction form
    74,490,193,981.20/111,735,290,971.80 = 66,408,889,558.80/x
  3. Step 3: Cross multiply
    74,490,193,981.20x = 111,735,290,971.80 × 66,408,889,558.80
  4. Step 4: Simplify right side
    74,490,193,981.20x = 7,420,216,597,966,649,032,704
  5. Step 5: Solve for x
    x = 7,420,216,597,966,649,032,704/74,490,193,981.20
  6. Step 6: Final answer
    x = 99,613,334,338.20

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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.