Home / 20,533,017,028.72-30,746,481,767.88-14,171,184,756.76

Finding the Fourth Proportional to 20,533,017,028.72, 30,746,481,767.88 and 14,171,184,756.76

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Solution

The fourth proportional to 20,533,017,028.72, 30,746,481,767.88 and 14,171,184,756.76 is: 21,220,168,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533,017,028.72 : 30,746,481,767.88 = 14,171,184,756.76 : x
  2. Step 2: Convert to fraction form
    20,533,017,028.72/30,746,481,767.88 = 14,171,184,756.76/x
  3. Step 3: Cross multiply
    20,533,017,028.72x = 30,746,481,767.88 × 14,171,184,756.76
  4. Step 4: Simplify right side
    20,533,017,028.72x = 435,714,073,752,980,357,120
  5. Step 5: Solve for x
    x = 435,714,073,752,980,357,120/20,533,017,028.72
  6. Step 6: Final answer
    x = 21,220,168,139.13

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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.