Home / 326,308,367.67-489,135,279.05-151,554,127.46

Finding the Fourth Proportional to 326,308,367.67, 489,135,279.05 and 151,554,127.46

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Solution

The fourth proportional to 326,308,367.67, 489,135,279.05 and 151,554,127.46 is: 227,179,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,308,367.67 : 489,135,279.05 = 151,554,127.46 : x
  2. Step 2: Convert to fraction form
    326,308,367.67/489,135,279.05 = 151,554,127.46/x
  3. Step 3: Cross multiply
    326,308,367.67x = 489,135,279.05 × 151,554,127.46
  4. Step 4: Simplify right side
    326,308,367.67x = 74,130,470,426,440,176
  5. Step 5: Solve for x
    x = 74,130,470,426,440,176/326,308,367.67
  6. Step 6: Final answer
    x = 227,179,189.29

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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.