Home / 291,321,295.40-437,149,904.70-109,698,818.60

Finding the Fourth Proportional to 291,321,295.40, 437,149,904.70 and 109,698,818.60

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Solution

The fourth proportional to 291,321,295.40, 437,149,904.70 and 109,698,818.60 is: 164,611,474.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,321,295.40 : 437,149,904.70 = 109,698,818.60 : x
  2. Step 2: Convert to fraction form
    291,321,295.40/437,149,904.70 = 109,698,818.60/x
  3. Step 3: Cross multiply
    291,321,295.40x = 437,149,904.70 × 109,698,818.60
  4. Step 4: Simplify right side
    291,321,295.40x = 47,954,828,096,692,584
  5. Step 5: Solve for x
    x = 47,954,828,096,692,584/291,321,295.40
  6. Step 6: Final answer
    x = 164,611,474.87

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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.