Home / 212,218,730.82-318,328,075.71-58,864,793.94

Finding the Fourth Proportional to 212,218,730.82, 318,328,075.71 and 58,864,793.94

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Solution

The fourth proportional to 212,218,730.82, 318,328,075.71 and 58,864,793.94 is: 88,297,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,218,730.82 : 318,328,075.71 = 58,864,793.94 : x
  2. Step 2: Convert to fraction form
    212,218,730.82/318,328,075.71 = 58,864,793.94/x
  3. Step 3: Cross multiply
    212,218,730.82x = 318,328,075.71 × 58,864,793.94
  4. Step 4: Simplify right side
    212,218,730.82x = 18,738,316,581,985,868
  5. Step 5: Solve for x
    x = 18,738,316,581,985,868/212,218,730.82
  6. Step 6: Final answer
    x = 88,297,185.22

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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.