Home / 169,423,732.74-254,243,105.22-72,380,170.32

Finding the Fourth Proportional to 169,423,732.74, 254,243,105.22 and 72,380,170.32

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Solution

The fourth proportional to 169,423,732.74, 254,243,105.22 and 72,380,170.32 is: 108,616,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,423,732.74 : 254,243,105.22 = 72,380,170.32 : x
  2. Step 2: Convert to fraction form
    169,423,732.74/254,243,105.22 = 72,380,170.32/x
  3. Step 3: Cross multiply
    169,423,732.74x = 254,243,105.22 × 72,380,170.32
  4. Step 4: Simplify right side
    169,423,732.74x = 18,402,159,258,509,280
  5. Step 5: Solve for x
    x = 18,402,159,258,509,280/169,423,732.74
  6. Step 6: Final answer
    x = 108,616,183.58

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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.