Home / 51,531,290.85-71,147,424.78-39,588,834.45

Finding the Fourth Proportional to 51,531,290.85, 71,147,424.78 and 39,588,834.45

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Solution

The fourth proportional to 51,531,290.85, 71,147,424.78 and 39,588,834.45 is: 54,658,898.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,531,290.85 : 71,147,424.78 = 39,588,834.45 : x
  2. Step 2: Convert to fraction form
    51,531,290.85/71,147,424.78 = 39,588,834.45/x
  3. Step 3: Cross multiply
    51,531,290.85x = 71,147,424.78 × 39,588,834.45
  4. Step 4: Simplify right side
    51,531,290.85x = 2,816,643,621,159,248
  5. Step 5: Solve for x
    x = 2,816,643,621,159,248/51,531,290.85
  6. Step 6: Final answer
    x = 54,658,898.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.