Home / 291,477,025.60-437,215,538.40-76,066,273.60

Finding the Fourth Proportional to 291,477,025.60, 437,215,538.40 and 76,066,273.60

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Solution

The fourth proportional to 291,477,025.60, 437,215,538.40 and 76,066,273.60 is: 114,099,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,477,025.60 : 437,215,538.40 = 76,066,273.60 : x
  2. Step 2: Convert to fraction form
    291,477,025.60/437,215,538.40 = 76,066,273.60/x
  3. Step 3: Cross multiply
    291,477,025.60x = 437,215,538.40 × 76,066,273.60
  4. Step 4: Simplify right side
    291,477,025.60x = 33,257,356,766,105,700
  5. Step 5: Solve for x
    x = 33,257,356,766,105,700/291,477,025.60
  6. Step 6: Final answer
    x = 114,099,410.40

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Double scale
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Similar ratio
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1.5x scale

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.