Home / 309,937,598.85-427,714,324.11-168,809,373.48

Finding the Fourth Proportional to 309,937,598.85, 427,714,324.11 and 168,809,373.48

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Solution

The fourth proportional to 309,937,598.85, 427,714,324.11 and 168,809,373.48 is: 232,957,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,937,598.85 : 427,714,324.11 = 168,809,373.48 : x
  2. Step 2: Convert to fraction form
    309,937,598.85/427,714,324.11 = 168,809,373.48/x
  3. Step 3: Cross multiply
    309,937,598.85x = 427,714,324.11 × 168,809,373.48
  4. Step 4: Simplify right side
    309,937,598.85x = 72,202,187,081,430,752
  5. Step 5: Solve for x
    x = 72,202,187,081,430,752/309,937,598.85
  6. Step 6: Final answer
    x = 232,957,173.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.