Home / 291,458,784.40-437,356,138.20-109,836,307.60

Finding the Fourth Proportional to 291,458,784.40, 437,356,138.20 and 109,836,307.60

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Solution

The fourth proportional to 291,458,784.40, 437,356,138.20 and 109,836,307.60 is: 164,817,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,458,784.40 : 437,356,138.20 = 109,836,307.60 : x
  2. Step 2: Convert to fraction form
    291,458,784.40/437,356,138.20 = 109,836,307.60/x
  3. Step 3: Cross multiply
    291,458,784.40x = 437,356,138.20 × 109,836,307.60
  4. Step 4: Simplify right side
    291,458,784.40x = 48,037,583,326,083,304
  5. Step 5: Solve for x
    x = 48,037,583,326,083,304/291,458,784.40
  6. Step 6: Final answer
    x = 164,817,757.77

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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.