Home / 93,135,648.39-128,521,403.68-51,317,373.51

Finding the Fourth Proportional to 93,135,648.39, 128,521,403.68 and 51,317,373.51

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Solution

The fourth proportional to 93,135,648.39, 128,521,403.68 and 51,317,373.51 is: 70,814,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,135,648.39 : 128,521,403.68 = 51,317,373.51 : x
  2. Step 2: Convert to fraction form
    93,135,648.39/128,521,403.68 = 51,317,373.51/x
  3. Step 3: Cross multiply
    93,135,648.39x = 128,521,403.68 × 51,317,373.51
  4. Step 4: Simplify right side
    93,135,648.39x = 6,595,380,876,125,990
  5. Step 5: Solve for x
    x = 6,595,380,876,125,990/93,135,648.39
  6. Step 6: Final answer
    x = 70,814,784.56

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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.