Home / 74,248,260,985.11-111,380,361,586.38-31,757,571,175.71

Finding the Fourth Proportional to 74,248,260,985.11, 111,380,361,586.38 and 31,757,571,175.71

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Solution

The fourth proportional to 74,248,260,985.11, 111,380,361,586.38 and 31,757,571,175.71 is: 47,639,765,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,248,260,985.11 : 111,380,361,586.38 = 31,757,571,175.71 : x
  2. Step 2: Convert to fraction form
    74,248,260,985.11/111,380,361,586.38 = 31,757,571,175.71/x
  3. Step 3: Cross multiply
    74,248,260,985.11x = 111,380,361,586.38 × 31,757,571,175.71
  4. Step 4: Simplify right side
    74,248,260,985.11x = 3,537,169,760,655,779,037,184
  5. Step 5: Solve for x
    x = 3,537,169,760,655,779,037,184/74,248,260,985.11
  6. Step 6: Final answer
    x = 47,639,765,749.73

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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.