Home / 171,927,067.80-257,890,601.70-153,115,368.60

Finding the Fourth Proportional to 171,927,067.80, 257,890,601.70 and 153,115,368.60

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Solution

The fourth proportional to 171,927,067.80, 257,890,601.70 and 153,115,368.60 is: 229,673,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,927,067.80 : 257,890,601.70 = 153,115,368.60 : x
  2. Step 2: Convert to fraction form
    171,927,067.80/257,890,601.70 = 153,115,368.60/x
  3. Step 3: Cross multiply
    171,927,067.80x = 257,890,601.70 × 153,115,368.60
  4. Step 4: Simplify right side
    171,927,067.80x = 39,487,014,537,771,280
  5. Step 5: Solve for x
    x = 39,487,014,537,771,280/171,927,067.80
  6. Step 6: Final answer
    x = 229,673,052.90

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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.