Home / 219,781,544.40-329,194,019.70-133,369,237.80

Finding the Fourth Proportional to 219,781,544.40, 329,194,019.70 and 133,369,237.80

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Solution

The fourth proportional to 219,781,544.40, 329,194,019.70 and 133,369,237.80 is: 199,763,613.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,781,544.40 : 329,194,019.70 = 133,369,237.80 : x
  2. Step 2: Convert to fraction form
    219,781,544.40/329,194,019.70 = 133,369,237.80/x
  3. Step 3: Cross multiply
    219,781,544.40x = 329,194,019.70 × 133,369,237.80
  4. Step 4: Simplify right side
    219,781,544.40x = 43,904,355,495,707,184
  5. Step 5: Solve for x
    x = 43,904,355,495,707,184/219,781,544.40
  6. Step 6: Final answer
    x = 199,763,613.53

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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.