Home / 99,643,704.30-149,465,556.45-79,488,312.30

Finding the Fourth Proportional to 99,643,704.30, 149,465,556.45 and 79,488,312.30

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Solution

The fourth proportional to 99,643,704.30, 149,465,556.45 and 79,488,312.30 is: 119,232,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,643,704.30 : 149,465,556.45 = 79,488,312.30 : x
  2. Step 2: Convert to fraction form
    99,643,704.30/149,465,556.45 = 79,488,312.30/x
  3. Step 3: Cross multiply
    99,643,704.30x = 149,465,556.45 × 79,488,312.30
  4. Step 4: Simplify right side
    99,643,704.30x = 11,880,764,829,190,878
  5. Step 5: Solve for x
    x = 11,880,764,829,190,878/99,643,704.30
  6. Step 6: Final answer
    x = 119,232,468.45

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Double scale
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Similar ratio
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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.