Home / 51,985,306.35-71,739,740.25-28,465,330.68

Finding the Fourth Proportional to 51,985,306.35, 71,739,740.25 and 28,465,330.68

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Solution

The fourth proportional to 51,985,306.35, 71,739,740.25 and 28,465,330.68 is: 39,282,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,985,306.35 : 71,739,740.25 = 28,465,330.68 : x
  2. Step 2: Convert to fraction form
    51,985,306.35/71,739,740.25 = 28,465,330.68/x
  3. Step 3: Cross multiply
    51,985,306.35x = 71,739,740.25 × 28,465,330.68
  4. Step 4: Simplify right side
    51,985,306.35x = 2,042,095,429,113,555.75
  5. Step 5: Solve for x
    x = 2,042,095,429,113,555.75/51,985,306.35
  6. Step 6: Final answer
    x = 39,282,165.91

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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.