Home / 305,276,597.12-457,856,486.40-118,530,544.28

Finding the Fourth Proportional to 305,276,597.12, 457,856,486.40 and 118,530,544.28

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Solution

The fourth proportional to 305,276,597.12, 457,856,486.40 and 118,530,544.28 is: 177,773,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,276,597.12 : 457,856,486.40 = 118,530,544.28 : x
  2. Step 2: Convert to fraction form
    305,276,597.12/457,856,486.40 = 118,530,544.28/x
  3. Step 3: Cross multiply
    305,276,597.12x = 457,856,486.40 × 118,530,544.28
  4. Step 4: Simplify right side
    305,276,597.12x = 54,269,978,535,120,416
  5. Step 5: Solve for x
    x = 54,269,978,535,120,416/305,276,597.12
  6. Step 6: Final answer
    x = 177,773,137.70

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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.