Home / 291,526,491.40-437,457,698.70-109,904,014.60

Finding the Fourth Proportional to 291,526,491.40, 437,457,698.70 and 109,904,014.60

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Solution

The fourth proportional to 291,526,491.40, 437,457,698.70 and 109,904,014.60 is: 164,919,342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,526,491.40 : 437,457,698.70 = 109,904,014.60 : x
  2. Step 2: Convert to fraction form
    291,526,491.40/437,457,698.70 = 109,904,014.60/x
  3. Step 3: Cross multiply
    291,526,491.40x = 437,457,698.70 × 109,904,014.60
  4. Step 4: Simplify right side
    291,526,491.40x = 48,078,357,304,807,200
  5. Step 5: Solve for x
    x = 48,078,357,304,807,200/291,526,491.40
  6. Step 6: Final answer
    x = 164,919,342.57

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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.