Home / 196,768,913.10-295,331,828.85-99,792,084.30

Finding the Fourth Proportional to 196,768,913.10, 295,331,828.85 and 99,792,084.30

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Solution

The fourth proportional to 196,768,913.10, 295,331,828.85 and 99,792,084.30 is: 149,778,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,768,913.10 : 295,331,828.85 = 99,792,084.30 : x
  2. Step 2: Convert to fraction form
    196,768,913.10/295,331,828.85 = 99,792,084.30/x
  3. Step 3: Cross multiply
    196,768,913.10x = 295,331,828.85 × 99,792,084.30
  4. Step 4: Simplify right side
    196,768,913.10x = 29,471,778,761,072,372
  5. Step 5: Solve for x
    x = 29,471,778,761,072,372/196,768,913.10
  6. Step 6: Final answer
    x = 149,778,632.70

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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.