Home / 172,460,989.33-258,691,495.23-137,754,897.55

Finding the Fourth Proportional to 172,460,989.33, 258,691,495.23 and 137,754,897.55

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Solution

The fourth proportional to 172,460,989.33, 258,691,495.23 and 137,754,897.55 is: 206,632,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,460,989.33 : 258,691,495.23 = 137,754,897.55 : x
  2. Step 2: Convert to fraction form
    172,460,989.33/258,691,495.23 = 137,754,897.55/x
  3. Step 3: Cross multiply
    172,460,989.33x = 258,691,495.23 × 137,754,897.55
  4. Step 4: Simplify right side
    172,460,989.33x = 35,636,020,421,818,236
  5. Step 5: Solve for x
    x = 35,636,020,421,818,236/172,460,989.33
  6. Step 6: Final answer
    x = 206,632,355.30

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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.