Home / 256,522,653.36-354,005,796.60-139,051,884.96

Finding the Fourth Proportional to 256,522,653.36, 354,005,796.60 and 139,051,884.96

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Solution

The fourth proportional to 256,522,653.36, 354,005,796.60 and 139,051,884.96 is: 191,894,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,522,653.36 : 354,005,796.60 = 139,051,884.96 : x
  2. Step 2: Convert to fraction form
    256,522,653.36/354,005,796.60 = 139,051,884.96/x
  3. Step 3: Cross multiply
    256,522,653.36x = 354,005,796.60 × 139,051,884.96
  4. Step 4: Simplify right side
    256,522,653.36x = 49,225,173,303,996,368
  5. Step 5: Solve for x
    x = 49,225,173,303,996,368/256,522,653.36
  6. Step 6: Final answer
    x = 191,894,059.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.