Home / 210,030,734.70-315,043,567.76-54,570,786.68

Finding the Fourth Proportional to 210,030,734.70, 315,043,567.76 and 54,570,786.68

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Solution

The fourth proportional to 210,030,734.70, 315,043,567.76 and 54,570,786.68 is: 81,855,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,030,734.70 : 315,043,567.76 = 54,570,786.68 : x
  2. Step 2: Convert to fraction form
    210,030,734.70/315,043,567.76 = 54,570,786.68/x
  3. Step 3: Cross multiply
    210,030,734.70x = 315,043,567.76 × 54,570,786.68
  4. Step 4: Simplify right side
    210,030,734.70x = 17,192,175,332,061,120
  5. Step 5: Solve for x
    x = 17,192,175,332,061,120/210,030,734.70
  6. Step 6: Final answer
    x = 81,855,521.56

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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.