Home / 130,993,284.38-196,712,317.67-87,553,195.65

Finding the Fourth Proportional to 130,993,284.38, 196,712,317.67 and 87,553,195.65

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Solution

The fourth proportional to 130,993,284.38, 196,712,317.67 and 87,553,195.65 is: 131,478,435.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,993,284.38 : 196,712,317.67 = 87,553,195.65 : x
  2. Step 2: Convert to fraction form
    130,993,284.38/196,712,317.67 = 87,553,195.65/x
  3. Step 3: Cross multiply
    130,993,284.38x = 196,712,317.67 × 87,553,195.65
  4. Step 4: Simplify right side
    130,993,284.38x = 17,222,792,035,288,696
  5. Step 5: Solve for x
    x = 17,222,792,035,288,696/130,993,284.38
  6. Step 6: Final answer
    x = 131,478,435.08

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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.