Home / 93,023,367.64-128,373,879.81-50,638,145.79

Finding the Fourth Proportional to 93,023,367.64, 128,373,879.81 and 50,638,145.79

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Solution

The fourth proportional to 93,023,367.64, 128,373,879.81 and 50,638,145.79 is: 69,881,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,023,367.64 : 128,373,879.81 = 50,638,145.79 : x
  2. Step 2: Convert to fraction form
    93,023,367.64/128,373,879.81 = 50,638,145.79/x
  3. Step 3: Cross multiply
    93,023,367.64x = 128,373,879.81 × 50,638,145.79
  4. Step 4: Simplify right side
    93,023,367.64x = 6,500,615,242,118,013
  5. Step 5: Solve for x
    x = 6,500,615,242,118,013/93,023,367.64
  6. Step 6: Final answer
    x = 69,881,529.85

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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.