Home / 93,023,379.66-128,373,896.34-50,638,157.76

Finding the Fourth Proportional to 93,023,379.66, 128,373,896.34 and 50,638,157.76

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Solution

The fourth proportional to 93,023,379.66, 128,373,896.34 and 50,638,157.76 is: 69,881,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,023,379.66 : 128,373,896.34 = 50,638,157.76 : x
  2. Step 2: Convert to fraction form
    93,023,379.66/128,373,896.34 = 50,638,157.76/x
  3. Step 3: Cross multiply
    93,023,379.66x = 128,373,896.34 × 50,638,157.76
  4. Step 4: Simplify right side
    93,023,379.66x = 6,500,617,615,130,807
  5. Step 5: Solve for x
    x = 6,500,617,615,130,807/93,023,379.66
  6. Step 6: Final answer
    x = 69,881,546.33

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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.