Home / 108,463,319,342.82-162,540,470,433.09-79,908,689,506.76

Finding the Fourth Proportional to 108,463,319,342.82, 162,540,470,433.09 and 79,908,689,506.76

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Solution

The fourth proportional to 108,463,319,342.82, 162,540,470,433.09 and 79,908,689,506.76 is: 119,749,202,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,463,319,342.82 : 162,540,470,433.09 = 79,908,689,506.76 : x
  2. Step 2: Convert to fraction form
    108,463,319,342.82/162,540,470,433.09 = 79,908,689,506.76/x
  3. Step 3: Cross multiply
    108,463,319,342.82x = 162,540,470,433.09 × 79,908,689,506.76
  4. Step 4: Simplify right side
    108,463,319,342.82x = 12,988,395,984,119,681,515,520
  5. Step 5: Solve for x
    x = 12,988,395,984,119,681,515,520/108,463,319,342.82
  6. Step 6: Final answer
    x = 119,749,202,429.14

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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.