Home / 69,242,713,154.97-103,728,804,139.66-47,701,470,747.48

Finding the Fourth Proportional to 69,242,713,154.97, 103,728,804,139.66 and 47,701,470,747.48

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Solution

The fourth proportional to 69,242,713,154.97, 103,728,804,139.66 and 47,701,470,747.48 is: 71,459,021,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,242,713,154.97 : 103,728,804,139.66 = 47,701,470,747.48 : x
  2. Step 2: Convert to fraction form
    69,242,713,154.97/103,728,804,139.66 = 47,701,470,747.48/x
  3. Step 3: Cross multiply
    69,242,713,154.97x = 103,728,804,139.66 × 47,701,470,747.48
  4. Step 4: Simplify right side
    69,242,713,154.97x = 4,948,016,516,338,762,645,504
  5. Step 5: Solve for x
    x = 4,948,016,516,338,762,645,504/69,242,713,154.97
  6. Step 6: Final answer
    x = 71,459,021,330.74

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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.