Home / 56,900,040,657.66-85,316,977,406.43-21,530,128,391.46

Finding the Fourth Proportional to 56,900,040,657.66, 85,316,977,406.43 and 21,530,128,391.46

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Solution

The fourth proportional to 56,900,040,657.66, 85,316,977,406.43 and 21,530,128,391.46 is: 32,282,674,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,900,040,657.66 : 85,316,977,406.43 = 21,530,128,391.46 : x
  2. Step 2: Convert to fraction form
    56,900,040,657.66/85,316,977,406.43 = 21,530,128,391.46/x
  3. Step 3: Cross multiply
    56,900,040,657.66x = 85,316,977,406.43 × 21,530,128,391.46
  4. Step 4: Simplify right side
    56,900,040,657.66x = 1,836,885,477,531,729,788,928
  5. Step 5: Solve for x
    x = 1,836,885,477,531,729,788,928/56,900,040,657.66
  6. Step 6: Final answer
    x = 32,282,674,252.97

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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.