Home / 309,937,599.85-427,714,325.49-168,809,374.48

Finding the Fourth Proportional to 309,937,599.85, 427,714,325.49 and 168,809,374.48

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Solution

The fourth proportional to 309,937,599.85, 427,714,325.49 and 168,809,374.48 is: 232,957,175.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,937,599.85 : 427,714,325.49 = 168,809,374.48 : x
  2. Step 2: Convert to fraction form
    309,937,599.85/427,714,325.49 = 168,809,374.48/x
  3. Step 3: Cross multiply
    309,937,599.85x = 427,714,325.49 × 168,809,374.48
  4. Step 4: Simplify right side
    309,937,599.85x = 72,202,187,742,102,016
  5. Step 5: Solve for x
    x = 72,202,187,742,102,016/309,937,599.85
  6. Step 6: Final answer
    x = 232,957,175.18

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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.