Home / 85,279,490,841.36-117,689,374,813.56-47,217,701,202

Finding the Fourth Proportional to 85,279,490,841.36, 117,689,374,813.56 and 47,217,701,202

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Solution

The fourth proportional to 85,279,490,841.36, 117,689,374,813.56 and 47,217,701,202 is: 65,162,463,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,279,490,841.36 : 117,689,374,813.56 = 47,217,701,202 : x
  2. Step 2: Convert to fraction form
    85,279,490,841.36/117,689,374,813.56 = 47,217,701,202/x
  3. Step 3: Cross multiply
    85,279,490,841.36x = 117,689,374,813.56 × 47,217,701,202
  4. Step 4: Simplify right side
    85,279,490,841.36x = 5,557,021,734,596,859,920,384
  5. Step 5: Solve for x
    x = 5,557,021,734,596,859,920,384/85,279,490,841.36
  6. Step 6: Final answer
    x = 65,162,463,797.24

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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.