Home / 157,393,055.80-236,089,583.70-128,671,622.20

Finding the Fourth Proportional to 157,393,055.80, 236,089,583.70 and 128,671,622.20

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Solution

The fourth proportional to 157,393,055.80, 236,089,583.70 and 128,671,622.20 is: 193,007,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,393,055.80 : 236,089,583.70 = 128,671,622.20 : x
  2. Step 2: Convert to fraction form
    157,393,055.80/236,089,583.70 = 128,671,622.20/x
  3. Step 3: Cross multiply
    157,393,055.80x = 236,089,583.70 × 128,671,622.20
  4. Step 4: Simplify right side
    157,393,055.80x = 30,378,029,719,201,676
  5. Step 5: Solve for x
    x = 30,378,029,719,201,676/157,393,055.80
  6. Step 6: Final answer
    x = 193,007,433.30

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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.