Home / 211,060,903.50-316,554,121.35-81,562,050.54

Finding the Fourth Proportional to 211,060,903.50, 316,554,121.35 and 81,562,050.54

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Solution

The fourth proportional to 211,060,903.50, 316,554,121.35 and 81,562,050.54 is: 122,328,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,060,903.50 : 316,554,121.35 = 81,562,050.54 : x
  2. Step 2: Convert to fraction form
    211,060,903.50/316,554,121.35 = 81,562,050.54/x
  3. Step 3: Cross multiply
    211,060,903.50x = 316,554,121.35 × 81,562,050.54
  4. Step 4: Simplify right side
    211,060,903.50x = 25,818,803,244,193,996
  5. Step 5: Solve for x
    x = 25,818,803,244,193,996/211,060,903.50
  6. Step 6: Final answer
    x = 122,328,687.20

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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.