Home / 288,214,898.75-432,367,137.89-96,783,464.51

Finding the Fourth Proportional to 288,214,898.75, 432,367,137.89 and 96,783,464.51

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Solution

The fourth proportional to 288,214,898.75, 432,367,137.89 and 96,783,464.51 is: 145,190,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,214,898.75 : 432,367,137.89 = 96,783,464.51 : x
  2. Step 2: Convert to fraction form
    288,214,898.75/432,367,137.89 = 96,783,464.51/x
  3. Step 3: Cross multiply
    288,214,898.75x = 432,367,137.89 × 96,783,464.51
  4. Step 4: Simplify right side
    288,214,898.75x = 41,845,989,544,783,176
  5. Step 5: Solve for x
    x = 41,845,989,544,783,176/288,214,898.75
  6. Step 6: Final answer
    x = 145,190,237.31

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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.