Home / 72,639,142.92-100,185,276.96-46,536,138.84

Finding the Fourth Proportional to 72,639,142.92, 100,185,276.96 and 46,536,138.84

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Solution

The fourth proportional to 72,639,142.92, 100,185,276.96 and 46,536,138.84 is: 64,183,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,639,142.92 : 100,185,276.96 = 46,536,138.84 : x
  2. Step 2: Convert to fraction form
    72,639,142.92/100,185,276.96 = 46,536,138.84/x
  3. Step 3: Cross multiply
    72,639,142.92x = 100,185,276.96 × 46,536,138.84
  4. Step 4: Simplify right side
    72,639,142.92x = 4,662,235,958,334,413
  5. Step 5: Solve for x
    x = 4,662,235,958,334,413/72,639,142.92
  6. Step 6: Final answer
    x = 64,183,521.05

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1.5x scale

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.