Home / 201,771,760,765.87-278,445,053,465.64-110,320,373,538.22

Finding the Fourth Proportional to 201,771,760,765.87, 278,445,053,465.64 and 110,320,373,538.22

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Solution

The fourth proportional to 201,771,760,765.87, 278,445,053,465.64 and 110,320,373,538.22 is: 152,242,128,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,771,760,765.87 : 278,445,053,465.64 = 110,320,373,538.22 : x
  2. Step 2: Convert to fraction form
    201,771,760,765.87/278,445,053,465.64 = 110,320,373,538.22/x
  3. Step 3: Cross multiply
    201,771,760,765.87x = 278,445,053,465.64 × 110,320,373,538.22
  4. Step 4: Simplify right side
    201,771,760,765.87x = 30,718,162,308,199,046,184,960
  5. Step 5: Solve for x
    x = 30,718,162,308,199,046,184,960/201,771,760,765.87
  6. Step 6: Final answer
    x = 152,242,128,391.02

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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.