Home / 21,775,160,300.50-30,045,732,133.57-12,129,650,234.15

Finding the Fourth Proportional to 21,775,160,300.50, 30,045,732,133.57 and 12,129,650,234.15

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Solution

The fourth proportional to 21,775,160,300.50, 30,045,732,133.57 and 12,129,650,234.15 is: 16,736,695,242.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,775,160,300.50 : 30,045,732,133.57 = 12,129,650,234.15 : x
  2. Step 2: Convert to fraction form
    21,775,160,300.50/30,045,732,133.57 = 12,129,650,234.15/x
  3. Step 3: Cross multiply
    21,775,160,300.50x = 30,045,732,133.57 × 12,129,650,234.15
  4. Step 4: Simplify right side
    21,775,160,300.50x = 364,444,221,809,135,517,696
  5. Step 5: Solve for x
    x = 364,444,221,809,135,517,696/21,775,160,300.50
  6. Step 6: Final answer
    x = 16,736,695,242.64

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1.5x scale

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.