Home / 212,018,839.44-318,035,344.92-58,652,052.72

Finding the Fourth Proportional to 212,018,839.44, 318,035,344.92 and 58,652,052.72

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Solution

The fourth proportional to 212,018,839.44, 318,035,344.92 and 58,652,052.72 is: 87,980,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,018,839.44 : 318,035,344.92 = 58,652,052.72 : x
  2. Step 2: Convert to fraction form
    212,018,839.44/318,035,344.92 = 58,652,052.72/x
  3. Step 3: Cross multiply
    212,018,839.44x = 318,035,344.92 × 58,652,052.72
  4. Step 4: Simplify right side
    212,018,839.44x = 18,653,425,817,071,224
  5. Step 5: Solve for x
    x = 18,653,425,817,071,224/212,018,839.44
  6. Step 6: Final answer
    x = 87,980,039.26

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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.