Home / 161,755,574.80-242,633,362.20-154,197,302.80

Finding the Fourth Proportional to 161,755,574.80, 242,633,362.20 and 154,197,302.80

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Solution

The fourth proportional to 161,755,574.80, 242,633,362.20 and 154,197,302.80 is: 231,295,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,755,574.80 : 242,633,362.20 = 154,197,302.80 : x
  2. Step 2: Convert to fraction form
    161,755,574.80/242,633,362.20 = 154,197,302.80/x
  3. Step 3: Cross multiply
    161,755,574.80x = 242,633,362.20 × 154,197,302.80
  4. Step 4: Simplify right side
    161,755,574.80x = 37,413,410,020,535,472
  5. Step 5: Solve for x
    x = 37,413,410,020,535,472/161,755,574.80
  6. Step 6: Final answer
    x = 231,295,954.20

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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.