Home / 85,760,938,394.23-118,519,901,451.80-70,286,673,932.12

Finding the Fourth Proportional to 85,760,938,394.23, 118,519,901,451.80 and 70,286,673,932.12

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Solution

The fourth proportional to 85,760,938,394.23, 118,519,901,451.80 and 70,286,673,932.12 is: 97,134,777,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,760,938,394.23 : 118,519,901,451.80 = 70,286,673,932.12 : x
  2. Step 2: Convert to fraction form
    85,760,938,394.23/118,519,901,451.80 = 70,286,673,932.12/x
  3. Step 3: Cross multiply
    85,760,938,394.23x = 118,519,901,451.80 × 70,286,673,932.12
  4. Step 4: Simplify right side
    85,760,938,394.23x = 8,330,369,667,809,070,284,800
  5. Step 5: Solve for x
    x = 8,330,369,667,809,070,284,800/85,760,938,394.23
  6. Step 6: Final answer
    x = 97,134,777,484.78

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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.