Home / 115,018,282.32-172,469,731.32-38,314,343.76

Finding the Fourth Proportional to 115,018,282.32, 172,469,731.32 and 38,314,343.76

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Solution

The fourth proportional to 115,018,282.32, 172,469,731.32 and 38,314,343.76 is: 57,452,297.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,018,282.32 : 172,469,731.32 = 38,314,343.76 : x
  2. Step 2: Convert to fraction form
    115,018,282.32/172,469,731.32 = 38,314,343.76/x
  3. Step 3: Cross multiply
    115,018,282.32x = 172,469,731.32 × 38,314,343.76
  4. Step 4: Simplify right side
    115,018,282.32x = 6,608,064,573,989,318
  5. Step 5: Solve for x
    x = 6,608,064,573,989,318/115,018,282.32
  6. Step 6: Final answer
    x = 57,452,297.50

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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.