Home / 91,461,919,136.76-126,220,854,739.82-54,845,995,912.29

Finding the Fourth Proportional to 91,461,919,136.76, 126,220,854,739.82 and 54,845,995,912.29

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Solution

The fourth proportional to 91,461,919,136.76, 126,220,854,739.82 and 54,845,995,912.29 is: 75,689,516,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,461,919,136.76 : 126,220,854,739.82 = 54,845,995,912.29 : x
  2. Step 2: Convert to fraction form
    91,461,919,136.76/126,220,854,739.82 = 54,845,995,912.29/x
  3. Step 3: Cross multiply
    91,461,919,136.76x = 126,220,854,739.82 × 54,845,995,912.29
  4. Step 4: Simplify right side
    91,461,919,136.76x = 6,922,708,483,105,917,763,584
  5. Step 5: Solve for x
    x = 6,922,708,483,105,917,763,584/91,461,919,136.76
  6. Step 6: Final answer
    x = 75,689,516,997.28

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Double scale
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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.