Home / 354,358,703.48-531,563,594.64-136,009,045.54

Finding the Fourth Proportional to 354,358,703.48, 531,563,594.64 and 136,009,045.54

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Solution

The fourth proportional to 354,358,703.48, 531,563,594.64 and 136,009,045.54 is: 204,023,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,358,703.48 : 531,563,594.64 = 136,009,045.54 : x
  2. Step 2: Convert to fraction form
    354,358,703.48/531,563,594.64 = 136,009,045.54/x
  3. Step 3: Cross multiply
    354,358,703.48x = 531,563,594.64 × 136,009,045.54
  4. Step 4: Simplify right side
    354,358,703.48x = 72,297,457,150,797,856
  5. Step 5: Solve for x
    x = 72,297,457,150,797,856/354,358,703.48
  6. Step 6: Final answer
    x = 204,023,370.78

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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.