Home / 72,512,533.60-108,768,800.40-24,643,477.60

Finding the Fourth Proportional to 72,512,533.60, 108,768,800.40 and 24,643,477.60

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Solution

The fourth proportional to 72,512,533.60, 108,768,800.40 and 24,643,477.60 is: 36,965,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,512,533.60 : 108,768,800.40 = 24,643,477.60 : x
  2. Step 2: Convert to fraction form
    72,512,533.60/108,768,800.40 = 24,643,477.60/x
  3. Step 3: Cross multiply
    72,512,533.60x = 108,768,800.40 × 24,643,477.60
  4. Step 4: Simplify right side
    72,512,533.60x = 2,680,441,496,236,271.50
  5. Step 5: Solve for x
    x = 2,680,441,496,236,271.50/72,512,533.60
  6. Step 6: Final answer
    x = 36,965,216.40

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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.