Home / 219,140,513.44-302,423,414.70-121,355,369.44

Finding the Fourth Proportional to 219,140,513.44, 302,423,414.70 and 121,355,369.44

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Solution

The fourth proportional to 219,140,513.44, 302,423,414.70 and 121,355,369.44 is: 167,475,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,140,513.44 : 302,423,414.70 = 121,355,369.44 : x
  2. Step 2: Convert to fraction form
    219,140,513.44/302,423,414.70 = 121,355,369.44/x
  3. Step 3: Cross multiply
    219,140,513.44x = 302,423,414.70 × 121,355,369.44
  4. Step 4: Simplify right side
    219,140,513.44x = 36,700,705,217,923,856
  5. Step 5: Solve for x
    x = 36,700,705,217,923,856/219,140,513.44
  6. Step 6: Final answer
    x = 167,475,674.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.