Home / 56,483,881.86-84,687,143.37-28,764,141.81

Finding the Fourth Proportional to 56,483,881.86, 84,687,143.37 and 28,764,141.81

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Solution

The fourth proportional to 56,483,881.86, 84,687,143.37 and 28,764,141.81 is: 43,126,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,483,881.86 : 84,687,143.37 = 28,764,141.81 : x
  2. Step 2: Convert to fraction form
    56,483,881.86/84,687,143.37 = 28,764,141.81/x
  3. Step 3: Cross multiply
    56,483,881.86x = 84,687,143.37 × 28,764,141.81
  4. Step 4: Simplify right side
    56,483,881.86x = 2,435,953,001,378,481.50
  5. Step 5: Solve for x
    x = 2,435,953,001,378,481.50/56,483,881.86
  6. Step 6: Final answer
    x = 43,126,515.41

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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.