Home / 287,850,896.64-397,243,625.76-157,470,704.64

Finding the Fourth Proportional to 287,850,896.64, 397,243,625.76 and 157,470,704.64

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Solution

The fourth proportional to 287,850,896.64, 397,243,625.76 and 157,470,704.64 is: 217,314,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,850,896.64 : 397,243,625.76 = 157,470,704.64 : x
  2. Step 2: Convert to fraction form
    287,850,896.64/397,243,625.76 = 157,470,704.64/x
  3. Step 3: Cross multiply
    287,850,896.64x = 397,243,625.76 × 157,470,704.64
  4. Step 4: Simplify right side
    287,850,896.64x = 62,554,233,662,175,648
  5. Step 5: Solve for x
    x = 62,554,233,662,175,648/287,850,896.64
  6. Step 6: Final answer
    x = 217,314,708.39

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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.