Home / 120,033,396.95-165,646,255.87-65,029,253.45

Finding the Fourth Proportional to 120,033,396.95, 165,646,255.87 and 65,029,253.45

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Solution

The fourth proportional to 120,033,396.95, 165,646,255.87 and 65,029,253.45 is: 89,740,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,033,396.95 : 165,646,255.87 = 65,029,253.45 : x
  2. Step 2: Convert to fraction form
    120,033,396.95/165,646,255.87 = 65,029,253.45/x
  3. Step 3: Cross multiply
    120,033,396.95x = 165,646,255.87 × 65,029,253.45
  4. Step 4: Simplify right side
    120,033,396.95x = 10,771,852,354,860,404
  5. Step 5: Solve for x
    x = 10,771,852,354,860,404/120,033,396.95
  6. Step 6: Final answer
    x = 89,740,460.81

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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.