Home / 78,486,077.20-117,771,106.20-33,052,464.40

Finding the Fourth Proportional to 78,486,077.20, 117,771,106.20 and 33,052,464.40

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Solution

The fourth proportional to 78,486,077.20, 117,771,106.20 and 33,052,464.40 is: 49,596,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,486,077.20 : 117,771,106.20 = 33,052,464.40 : x
  2. Step 2: Convert to fraction form
    78,486,077.20/117,771,106.20 = 33,052,464.40/x
  3. Step 3: Cross multiply
    78,486,077.20x = 117,771,106.20 × 33,052,464.40
  4. Step 4: Simplify right side
    78,486,077.20x = 3,892,625,295,024,119
  5. Step 5: Solve for x
    x = 3,892,625,295,024,119/78,486,077.20
  6. Step 6: Final answer
    x = 49,596,379.82

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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.