Home / 133,035,336.40-199,553,004.60-87,648,379.60

Finding the Fourth Proportional to 133,035,336.40, 199,553,004.60 and 87,648,379.60

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Solution

The fourth proportional to 133,035,336.40, 199,553,004.60 and 87,648,379.60 is: 131,472,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,035,336.40 : 199,553,004.60 = 87,648,379.60 : x
  2. Step 2: Convert to fraction form
    133,035,336.40/199,553,004.60 = 87,648,379.60/x
  3. Step 3: Cross multiply
    133,035,336.40x = 199,553,004.60 × 87,648,379.60
  4. Step 4: Simplify right side
    133,035,336.40x = 17,490,497,497,501,344
  5. Step 5: Solve for x
    x = 17,490,497,497,501,344/133,035,336.40
  6. Step 6: Final answer
    x = 131,472,569.40

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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.