Home / 171,937,317.60-257,905,976.40-149,542,437.60

Finding the Fourth Proportional to 171,937,317.60, 257,905,976.40 and 149,542,437.60

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Solution

The fourth proportional to 171,937,317.60, 257,905,976.40 and 149,542,437.60 is: 224,313,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,937,317.60 : 257,905,976.40 = 149,542,437.60 : x
  2. Step 2: Convert to fraction form
    171,937,317.60/257,905,976.40 = 149,542,437.60/x
  3. Step 3: Cross multiply
    171,937,317.60x = 257,905,976.40 × 149,542,437.60
  4. Step 4: Simplify right side
    171,937,317.60x = 38,567,888,382,464,072
  5. Step 5: Solve for x
    x = 38,567,888,382,464,072/171,937,317.60
  6. Step 6: Final answer
    x = 224,313,656.40

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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.