Home / 89,677,213.60-134,515,820.40-57,365,600.80

Finding the Fourth Proportional to 89,677,213.60, 134,515,820.40 and 57,365,600.80

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Solution

The fourth proportional to 89,677,213.60, 134,515,820.40 and 57,365,600.80 is: 86,048,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,677,213.60 : 134,515,820.40 = 57,365,600.80 : x
  2. Step 2: Convert to fraction form
    89,677,213.60/134,515,820.40 = 57,365,600.80/x
  3. Step 3: Cross multiply
    89,677,213.60x = 134,515,820.40 × 57,365,600.80
  4. Step 4: Simplify right side
    89,677,213.60x = 7,716,580,854,350,896
  5. Step 5: Solve for x
    x = 7,716,580,854,350,896/89,677,213.60
  6. Step 6: Final answer
    x = 86,048,401.20

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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.