Home / 198,596,233.25-297,961,389.71-87,916,636

Finding the Fourth Proportional to 198,596,233.25, 297,961,389.71 and 87,916,636

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Solution

The fourth proportional to 198,596,233.25, 297,961,389.71 and 87,916,636 is: 131,904,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,596,233.25 : 297,961,389.71 = 87,916,636 : x
  2. Step 2: Convert to fraction form
    198,596,233.25/297,961,389.71 = 87,916,636/x
  3. Step 3: Cross multiply
    198,596,233.25x = 297,961,389.71 × 87,916,636
  4. Step 4: Simplify right side
    198,596,233.25x = 26,195,763,040,748,632
  5. Step 5: Solve for x
    x = 26,195,763,040,748,632/198,596,233.25
  6. Step 6: Final answer
    x = 131,904,631.89

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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.