Home / 85,786,544.22-128,607,492.21-37,227,817.77

Finding the Fourth Proportional to 85,786,544.22, 128,607,492.21 and 37,227,817.77

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Solution

The fourth proportional to 85,786,544.22, 128,607,492.21 and 37,227,817.77 is: 55,810,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,786,544.22 : 128,607,492.21 = 37,227,817.77 : x
  2. Step 2: Convert to fraction form
    85,786,544.22/128,607,492.21 = 37,227,817.77/x
  3. Step 3: Cross multiply
    85,786,544.22x = 128,607,492.21 × 37,227,817.77
  4. Step 4: Simplify right side
    85,786,544.22x = 4,787,776,283,850,575
  5. Step 5: Solve for x
    x = 4,787,776,283,850,575/85,786,544.22
  6. Step 6: Final answer
    x = 55,810,340.97

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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.