Home / 76,328,425.03-105,333,146.81-41,521,032.42

Finding the Fourth Proportional to 76,328,425.03, 105,333,146.81 and 41,521,032.42

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Solution

The fourth proportional to 76,328,425.03, 105,333,146.81 and 41,521,032.42 is: 57,298,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,328,425.03 : 105,333,146.81 = 41,521,032.42 : x
  2. Step 2: Convert to fraction form
    76,328,425.03/105,333,146.81 = 41,521,032.42/x
  3. Step 3: Cross multiply
    76,328,425.03x = 105,333,146.81 × 41,521,032.42
  4. Step 4: Simplify right side
    76,328,425.03x = 4,373,541,003,546,728.50
  5. Step 5: Solve for x
    x = 4,373,541,003,546,728.50/76,328,425.03
  6. Step 6: Final answer
    x = 57,298,981.37

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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.