Home / 104,012,800.40-156,019,200.60-52,994,464.40

Finding the Fourth Proportional to 104,012,800.40, 156,019,200.60 and 52,994,464.40

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Solution

The fourth proportional to 104,012,800.40, 156,019,200.60 and 52,994,464.40 is: 79,491,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,012,800.40 : 156,019,200.60 = 52,994,464.40 : x
  2. Step 2: Convert to fraction form
    104,012,800.40/156,019,200.60 = 52,994,464.40/x
  3. Step 3: Cross multiply
    104,012,800.40x = 156,019,200.60 × 52,994,464.40
  4. Step 4: Simplify right side
    104,012,800.40x = 8,268,153,971,913,158
  5. Step 5: Solve for x
    x = 8,268,153,971,913,158/104,012,800.40
  6. Step 6: Final answer
    x = 79,491,696.60

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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.