Home / 29,068,156.40-43,602,234.60-20,458,812.20

Finding the Fourth Proportional to 29,068,156.40, 43,602,234.60 and 20,458,812.20

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Solution

The fourth proportional to 29,068,156.40, 43,602,234.60 and 20,458,812.20 is: 30,688,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,068,156.40 : 43,602,234.60 = 20,458,812.20 : x
  2. Step 2: Convert to fraction form
    29,068,156.40/43,602,234.60 = 20,458,812.20/x
  3. Step 3: Cross multiply
    29,068,156.40x = 43,602,234.60 × 20,458,812.20
  4. Step 4: Simplify right side
    29,068,156.40x = 892,049,929,181,742.12
  5. Step 5: Solve for x
    x = 892,049,929,181,742.12/29,068,156.40
  6. Step 6: Final answer
    x = 30,688,218.30

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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.