Home / 84,612,097,121.10-126,918,145,681.65-79,796,302,125.90

Finding the Fourth Proportional to 84,612,097,121.10, 126,918,145,681.65 and 79,796,302,125.90

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Solution

The fourth proportional to 84,612,097,121.10, 126,918,145,681.65 and 79,796,302,125.90 is: 119,694,453,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,612,097,121.10 : 126,918,145,681.65 = 79,796,302,125.90 : x
  2. Step 2: Convert to fraction form
    84,612,097,121.10/126,918,145,681.65 = 79,796,302,125.90/x
  3. Step 3: Cross multiply
    84,612,097,121.10x = 126,918,145,681.65 × 79,796,302,125.90
  4. Step 4: Simplify right side
    84,612,097,121.10x = 10,127,598,698,071,932,796,928
  5. Step 5: Solve for x
    x = 10,127,598,698,071,932,796,928/84,612,097,121.10
  6. Step 6: Final answer
    x = 119,694,453,188.85

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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.