Home / 122,572,181,111.56-169,149,533,532.42-66,247,938,167.56

Finding the Fourth Proportional to 122,572,181,111.56, 169,149,533,532.42 and 66,247,938,167.56

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Solution

The fourth proportional to 122,572,181,111.56, 169,149,533,532.42 and 66,247,938,167.56 is: 91,422,113,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,572,181,111.56 : 169,149,533,532.42 = 66,247,938,167.56 : x
  2. Step 2: Convert to fraction form
    122,572,181,111.56/169,149,533,532.42 = 66,247,938,167.56/x
  3. Step 3: Cross multiply
    122,572,181,111.56x = 169,149,533,532.42 × 66,247,938,167.56
  4. Step 4: Simplify right side
    122,572,181,111.56x = 11,205,807,838,527,376,850,944
  5. Step 5: Solve for x
    x = 11,205,807,838,527,376,850,944/122,572,181,111.56
  6. Step 6: Final answer
    x = 91,422,113,377.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.