Home / 100,821,708.90-151,232,563.35-49,728,204.90

Finding the Fourth Proportional to 100,821,708.90, 151,232,563.35 and 49,728,204.90

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Solution

The fourth proportional to 100,821,708.90, 151,232,563.35 and 49,728,204.90 is: 74,592,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,821,708.90 : 151,232,563.35 = 49,728,204.90 : x
  2. Step 2: Convert to fraction form
    100,821,708.90/151,232,563.35 = 49,728,204.90/x
  3. Step 3: Cross multiply
    100,821,708.90x = 151,232,563.35 × 49,728,204.90
  4. Step 4: Simplify right side
    100,821,708.90x = 7,520,523,897,821,030
  5. Step 5: Solve for x
    x = 7,520,523,897,821,030/100,821,708.90
  6. Step 6: Final answer
    x = 74,592,307.35

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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.