Home / 216,551,186.90-324,826,780.35-168,178,246.10

Finding the Fourth Proportional to 216,551,186.90, 324,826,780.35 and 168,178,246.10

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Solution

The fourth proportional to 216,551,186.90, 324,826,780.35 and 168,178,246.10 is: 252,267,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,551,186.90 : 324,826,780.35 = 168,178,246.10 : x
  2. Step 2: Convert to fraction form
    216,551,186.90/324,826,780.35 = 168,178,246.10/x
  3. Step 3: Cross multiply
    216,551,186.90x = 324,826,780.35 × 168,178,246.10
  4. Step 4: Simplify right side
    216,551,186.90x = 54,628,798,205,572,944
  5. Step 5: Solve for x
    x = 54,628,798,205,572,944/216,551,186.90
  6. Step 6: Final answer
    x = 252,267,369.15

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Double scale
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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.