Home / 158,302,022.40-237,453,033.60-131,092,243.20

Finding the Fourth Proportional to 158,302,022.40, 237,453,033.60 and 131,092,243.20

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Solution

The fourth proportional to 158,302,022.40, 237,453,033.60 and 131,092,243.20 is: 196,638,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,302,022.40 : 237,453,033.60 = 131,092,243.20 : x
  2. Step 2: Convert to fraction form
    158,302,022.40/237,453,033.60 = 131,092,243.20/x
  3. Step 3: Cross multiply
    158,302,022.40x = 237,453,033.60 × 131,092,243.20
  4. Step 4: Simplify right side
    158,302,022.40x = 31,128,250,829,268,972
  5. Step 5: Solve for x
    x = 31,128,250,829,268,972/158,302,022.40
  6. Step 6: Final answer
    x = 196,638,364.80

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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.