Home / 253,738,111.21-380,607,492.86-69,507,207.71

Finding the Fourth Proportional to 253,738,111.21, 380,607,492.86 and 69,507,207.71

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Solution

The fourth proportional to 253,738,111.21, 380,607,492.86 and 69,507,207.71 is: 104,260,900.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,738,111.21 : 380,607,492.86 = 69,507,207.71 : x
  2. Step 2: Convert to fraction form
    253,738,111.21/380,607,492.86 = 69,507,207.71/x
  3. Step 3: Cross multiply
    253,738,111.21x = 380,607,492.86 × 69,507,207.71
  4. Step 4: Simplify right side
    253,738,111.21x = 26,454,964,062,202,360
  5. Step 5: Solve for x
    x = 26,454,964,062,202,360/253,738,111.21
  6. Step 6: Final answer
    x = 104,260,900.88

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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.