Home / 197,989,842.40-297,055,622.40-83,009,629.60

Finding the Fourth Proportional to 197,989,842.40, 297,055,622.40 and 83,009,629.60

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Solution

The fourth proportional to 197,989,842.40, 297,055,622.40 and 83,009,629.60 is: 124,544,152.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,989,842.40 : 297,055,622.40 = 83,009,629.60 : x
  2. Step 2: Convert to fraction form
    197,989,842.40/297,055,622.40 = 83,009,629.60/x
  3. Step 3: Cross multiply
    197,989,842.40x = 297,055,622.40 × 83,009,629.60
  4. Step 4: Simplify right side
    197,989,842.40x = 24,658,477,186,021,460
  5. Step 5: Solve for x
    x = 24,658,477,186,021,460/197,989,842.40
  6. Step 6: Final answer
    x = 124,544,152.81

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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.