Home / 69,242,713,155.15-103,728,804,139.94-47,701,470,747.66

Finding the Fourth Proportional to 69,242,713,155.15, 103,728,804,139.94 and 47,701,470,747.66

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Solution

The fourth proportional to 69,242,713,155.15, 103,728,804,139.94 and 47,701,470,747.66 is: 71,459,021,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,242,713,155.15 : 103,728,804,139.94 = 47,701,470,747.66 : x
  2. Step 2: Convert to fraction form
    69,242,713,155.15/103,728,804,139.94 = 47,701,470,747.66/x
  3. Step 3: Cross multiply
    69,242,713,155.15x = 103,728,804,139.94 × 47,701,470,747.66
  4. Step 4: Simplify right side
    69,242,713,155.15x = 4,948,016,516,371,309,395,968
  5. Step 5: Solve for x
    x = 4,948,016,516,371,309,395,968/69,242,713,155.15
  6. Step 6: Final answer
    x = 71,459,021,331.02

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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.