Home / 20,104,013,912.90-30,156,020,869.35-18,175,520,812.10

Finding the Fourth Proportional to 20,104,013,912.90, 30,156,020,869.35 and 18,175,520,812.10

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Solution

The fourth proportional to 20,104,013,912.90, 30,156,020,869.35 and 18,175,520,812.10 is: 27,263,281,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104,013,912.90 : 30,156,020,869.35 = 18,175,520,812.10 : x
  2. Step 2: Convert to fraction form
    20,104,013,912.90/30,156,020,869.35 = 18,175,520,812.10/x
  3. Step 3: Cross multiply
    20,104,013,912.90x = 30,156,020,869.35 × 18,175,520,812.10
  4. Step 4: Simplify right side
    20,104,013,912.90x = 548,101,384,920,992,776,192
  5. Step 5: Solve for x
    x = 548,101,384,920,992,776,192/20,104,013,912.90
  6. Step 6: Final answer
    x = 27,263,281,218.15

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1.5x scale

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.