Home / 193,631,995.20-290,447,992.80-102,708,782.40

Finding the Fourth Proportional to 193,631,995.20, 290,447,992.80 and 102,708,782.40

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Solution

The fourth proportional to 193,631,995.20, 290,447,992.80 and 102,708,782.40 is: 154,063,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,631,995.20 : 290,447,992.80 = 102,708,782.40 : x
  2. Step 2: Convert to fraction form
    193,631,995.20/290,447,992.80 = 102,708,782.40/x
  3. Step 3: Cross multiply
    193,631,995.20x = 290,447,992.80 × 102,708,782.40
  4. Step 4: Simplify right side
    193,631,995.20x = 29,831,559,691,011,968
  5. Step 5: Solve for x
    x = 29,831,559,691,011,968/193,631,995.20
  6. Step 6: Final answer
    x = 154,063,173.60

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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.