Home / 99,648,504.30-149,472,756.45-74,139,336.30

Finding the Fourth Proportional to 99,648,504.30, 149,472,756.45 and 74,139,336.30

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Solution

The fourth proportional to 99,648,504.30, 149,472,756.45 and 74,139,336.30 is: 111,209,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,648,504.30 : 149,472,756.45 = 74,139,336.30 : x
  2. Step 2: Convert to fraction form
    99,648,504.30/149,472,756.45 = 74,139,336.30/x
  3. Step 3: Cross multiply
    99,648,504.30x = 149,472,756.45 × 74,139,336.30
  4. Step 4: Simplify right side
    99,648,504.30x = 11,081,810,958,134,542
  5. Step 5: Solve for x
    x = 11,081,810,958,134,542/99,648,504.30
  6. Step 6: Final answer
    x = 111,209,004.45

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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.