Home / 78,612,097,511.10-117,918,146,266.65-78,612,097,511.10

Finding the Fourth Proportional to 78,612,097,511.10, 117,918,146,266.65 and 78,612,097,511.10

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Solution

The fourth proportional to 78,612,097,511.10, 117,918,146,266.65 and 78,612,097,511.10 is: 117,918,146,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,612,097,511.10 : 117,918,146,266.65 = 78,612,097,511.10 : x
  2. Step 2: Convert to fraction form
    78,612,097,511.10/117,918,146,266.65 = 78,612,097,511.10/x
  3. Step 3: Cross multiply
    78,612,097,511.10x = 117,918,146,266.65 × 78,612,097,511.10
  4. Step 4: Simplify right side
    78,612,097,511.10x = 9,269,792,812,642,042,118,144
  5. Step 5: Solve for x
    x = 9,269,792,812,642,042,118,144/78,612,097,511.10
  6. Step 6: Final answer
    x = 117,918,146,266.65

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Double scale
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1.5x scale

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.