Home / 57,183,459.44-78,913,783.36-31,077,978.56

Finding the Fourth Proportional to 57,183,459.44, 78,913,783.36 and 31,077,978.56

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Solution

The fourth proportional to 57,183,459.44, 78,913,783.36 and 31,077,978.56 is: 42,887,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183,459.44 : 78,913,783.36 = 31,077,978.56 : x
  2. Step 2: Convert to fraction form
    57,183,459.44/78,913,783.36 = 31,077,978.56/x
  3. Step 3: Cross multiply
    57,183,459.44x = 78,913,783.36 × 31,077,978.56
  4. Step 4: Simplify right side
    57,183,459.44x = 2,452,480,867,350,564.50
  5. Step 5: Solve for x
    x = 2,452,480,867,350,564.50/57,183,459.44
  6. Step 6: Final answer
    x = 42,887,941.57

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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.