Home / 212,218,657.82-318,327,966.21-58,864,720.94

Finding the Fourth Proportional to 212,218,657.82, 318,327,966.21 and 58,864,720.94

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Solution

The fourth proportional to 212,218,657.82, 318,327,966.21 and 58,864,720.94 is: 88,297,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,218,657.82 : 318,327,966.21 = 58,864,720.94 : x
  2. Step 2: Convert to fraction form
    212,218,657.82/318,327,966.21 = 58,864,720.94/x
  3. Step 3: Cross multiply
    212,218,657.82x = 318,327,966.21 × 58,864,720.94
  4. Step 4: Simplify right side
    212,218,657.82x = 18,738,286,898,349,396
  5. Step 5: Solve for x
    x = 18,738,286,898,349,396/212,218,657.82
  6. Step 6: Final answer
    x = 88,297,075.72

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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.