Home / 79,771,145.60-119,640,129.60-34,334,422.40

Finding the Fourth Proportional to 79,771,145.60, 119,640,129.60 and 34,334,422.40

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Solution

The fourth proportional to 79,771,145.60, 119,640,129.60 and 34,334,422.40 is: 51,494,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,771,145.60 : 119,640,129.60 = 34,334,422.40 : x
  2. Step 2: Convert to fraction form
    79,771,145.60/119,640,129.60 = 34,334,422.40/x
  3. Step 3: Cross multiply
    79,771,145.60x = 119,640,129.60 × 34,334,422.40
  4. Step 4: Simplify right side
    79,771,145.60x = 4,107,774,745,677,142.50
  5. Step 5: Solve for x
    x = 4,107,774,745,677,142.50/79,771,145.60
  6. Step 6: Final answer
    x = 51,494,493.59

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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.