Home / 20,155,392,140.20-30,233,088,210.30-18,196,288,037.80

Finding the Fourth Proportional to 20,155,392,140.20, 30,233,088,210.30 and 18,196,288,037.80

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Solution

The fourth proportional to 20,155,392,140.20, 30,233,088,210.30 and 18,196,288,037.80 is: 27,294,432,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,392,140.20 : 30,233,088,210.30 = 18,196,288,037.80 : x
  2. Step 2: Convert to fraction form
    20,155,392,140.20/30,233,088,210.30 = 18,196,288,037.80/x
  3. Step 3: Cross multiply
    20,155,392,140.20x = 30,233,088,210.30 × 18,196,288,037.80
  4. Step 4: Simplify right side
    20,155,392,140.20x = 550,129,981,346,834,087,936
  5. Step 5: Solve for x
    x = 550,129,981,346,834,087,936/20,155,392,140.20
  6. Step 6: Final answer
    x = 27,294,432,056.70

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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.