Home / 70,899,391,891.32-97,840,868,269.32-38,346,641,889.27

Finding the Fourth Proportional to 70,899,391,891.32, 97,840,868,269.32 and 38,346,641,889.27

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Solution

The fourth proportional to 70,899,391,891.32, 97,840,868,269.32 and 38,346,641,889.27 is: 52,918,207,583.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,899,391,891.32 : 97,840,868,269.32 = 38,346,641,889.27 : x
  2. Step 2: Convert to fraction form
    70,899,391,891.32/97,840,868,269.32 = 38,346,641,889.27/x
  3. Step 3: Cross multiply
    70,899,391,891.32x = 97,840,868,269.32 × 38,346,641,889.27
  4. Step 4: Simplify right side
    70,899,391,891.32x = 3,751,868,737,658,854,309,888
  5. Step 5: Solve for x
    x = 3,751,868,737,658,854,309,888/70,899,391,891.32
  6. Step 6: Final answer
    x = 52,918,207,583.64

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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.