Home / 72,184,629.40-108,276,944.10-43,486,815.40

Finding the Fourth Proportional to 72,184,629.40, 108,276,944.10 and 43,486,815.40

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Solution

The fourth proportional to 72,184,629.40, 108,276,944.10 and 43,486,815.40 is: 65,230,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,184,629.40 : 108,276,944.10 = 43,486,815.40 : x
  2. Step 2: Convert to fraction form
    72,184,629.40/108,276,944.10 = 43,486,815.40/x
  3. Step 3: Cross multiply
    72,184,629.40x = 108,276,944.10 × 43,486,815.40
  4. Step 4: Simplify right side
    72,184,629.40x = 4,708,619,480,152,819
  5. Step 5: Solve for x
    x = 4,708,619,480,152,819/72,184,629.40
  6. Step 6: Final answer
    x = 65,230,223.10

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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.