Home / 216,154,540.35-324,251,742.51-70,588,864.64

Finding the Fourth Proportional to 216,154,540.35, 324,251,742.51 and 70,588,864.64

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Solution

The fourth proportional to 216,154,540.35, 324,251,742.51 and 70,588,864.64 is: 105,889,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,154,540.35 : 324,251,742.51 = 70,588,864.64 : x
  2. Step 2: Convert to fraction form
    216,154,540.35/324,251,742.51 = 70,588,864.64/x
  3. Step 3: Cross multiply
    216,154,540.35x = 324,251,742.51 × 70,588,864.64
  4. Step 4: Simplify right side
    216,154,540.35x = 22,888,562,362,133,152
  5. Step 5: Solve for x
    x = 22,888,562,362,133,152/216,154,540.35
  6. Step 6: Final answer
    x = 105,889,806.09

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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.