Home / 69,087,125,099.10-103,641,823,299-21,280,112,280.18

Finding the Fourth Proportional to 69,087,125,099.10, 103,641,823,299 and 21,280,112,280.18

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Solution

The fourth proportional to 69,087,125,099.10, 103,641,823,299 and 21,280,112,280.18 is: 31,923,598,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,087,125,099.10 : 103,641,823,299 = 21,280,112,280.18 : x
  2. Step 2: Convert to fraction form
    69,087,125,099.10/103,641,823,299 = 21,280,112,280.18/x
  3. Step 3: Cross multiply
    69,087,125,099.10x = 103,641,823,299 × 21,280,112,280.18
  4. Step 4: Simplify right side
    69,087,125,099.10x = 2,205,509,636,725,295,546,368
  5. Step 5: Solve for x
    x = 2,205,509,636,725,295,546,368/69,087,125,099.10
  6. Step 6: Final answer
    x = 31,923,598,406.53

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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.