Home / 315,335,024.33-432,001,766.71-303,545,325.29

Finding the Fourth Proportional to 315,335,024.33, 432,001,766.71 and 303,545,325.29

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Solution

The fourth proportional to 315,335,024.33, 432,001,766.71 and 303,545,325.29 is: 415,850,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,335,024.33 : 432,001,766.71 = 303,545,325.29 : x
  2. Step 2: Convert to fraction form
    315,335,024.33/432,001,766.71 = 303,545,325.29/x
  3. Step 3: Cross multiply
    315,335,024.33x = 432,001,766.71 × 303,545,325.29
  4. Step 4: Simplify right side
    315,335,024.33x = 131,132,116,800,061,072
  5. Step 5: Solve for x
    x = 131,132,116,800,061,072/315,335,024.33
  6. Step 6: Final answer
    x = 415,850,148.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.