Home / 202,680,697,940.45-279,680,875,997.87-120,267,254,353.01

Finding the Fourth Proportional to 202,680,697,940.45, 279,680,875,997.87 and 120,267,254,353.01

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Solution

The fourth proportional to 202,680,697,940.45, 279,680,875,997.87 and 120,267,254,353.01 is: 165,957,841,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,680,697,940.45 : 279,680,875,997.87 = 120,267,254,353.01 : x
  2. Step 2: Convert to fraction form
    202,680,697,940.45/279,680,875,997.87 = 120,267,254,353.01/x
  3. Step 3: Cross multiply
    202,680,697,940.45x = 279,680,875,997.87 × 120,267,254,353.01
  4. Step 4: Simplify right side
    202,680,697,940.45x = 33,636,451,051,308,480,200,704
  5. Step 5: Solve for x
    x = 33,636,451,051,308,480,200,704/202,680,697,940.45
  6. Step 6: Final answer
    x = 165,957,841,043.11

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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.