Home / 291,269,420.40-437,072,092.20-109,646,943.60

Finding the Fourth Proportional to 291,269,420.40, 437,072,092.20 and 109,646,943.60

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Solution

The fourth proportional to 291,269,420.40, 437,072,092.20 and 109,646,943.60 is: 164,533,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,269,420.40 : 437,072,092.20 = 109,646,943.60 : x
  2. Step 2: Convert to fraction form
    291,269,420.40/437,072,092.20 = 109,646,943.60/x
  3. Step 3: Cross multiply
    291,269,420.40x = 437,072,092.20 × 109,646,943.60
  4. Step 4: Simplify right side
    291,269,420.40x = 47,923,619,042,587,400
  5. Step 5: Solve for x
    x = 47,923,619,042,587,400/291,269,420.40
  6. Step 6: Final answer
    x = 164,533,643.72

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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.