Home / 157,464,440.40-236,196,660.60-142,158,939.60

Finding the Fourth Proportional to 157,464,440.40, 236,196,660.60 and 142,158,939.60

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Solution

The fourth proportional to 157,464,440.40, 236,196,660.60 and 142,158,939.60 is: 213,238,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,440.40 : 236,196,660.60 = 142,158,939.60 : x
  2. Step 2: Convert to fraction form
    157,464,440.40/236,196,660.60 = 142,158,939.60/x
  3. Step 3: Cross multiply
    157,464,440.40x = 236,196,660.60 × 142,158,939.60
  4. Step 4: Simplify right side
    157,464,440.40x = 33,577,466,807,957,096
  5. Step 5: Solve for x
    x = 33,577,466,807,957,096/157,464,440.40
  6. Step 6: Final answer
    x = 213,238,409.40

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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.