Home / 366,425,793.60-549,718,406.55-120,740,619.30

Finding the Fourth Proportional to 366,425,793.60, 549,718,406.55 and 120,740,619.30

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Solution

The fourth proportional to 366,425,793.60, 549,718,406.55 and 120,740,619.30 is: 181,137,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,425,793.60 : 549,718,406.55 = 120,740,619.30 : x
  2. Step 2: Convert to fraction form
    366,425,793.60/549,718,406.55 = 120,740,619.30/x
  3. Step 3: Cross multiply
    366,425,793.60x = 549,718,406.55 × 120,740,619.30
  4. Step 4: Simplify right side
    366,425,793.60x = 66,373,340,847,456,168
  5. Step 5: Solve for x
    x = 66,373,340,847,456,168/366,425,793.60
  6. Step 6: Final answer
    x = 181,137,196.14

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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.