Home / 214,860,187.20-322,290,280.80-185,634,868.80

Finding the Fourth Proportional to 214,860,187.20, 322,290,280.80 and 185,634,868.80

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Solution

The fourth proportional to 214,860,187.20, 322,290,280.80 and 185,634,868.80 is: 278,452,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,860,187.20 : 322,290,280.80 = 185,634,868.80 : x
  2. Step 2: Convert to fraction form
    214,860,187.20/322,290,280.80 = 185,634,868.80/x
  3. Step 3: Cross multiply
    214,860,187.20x = 322,290,280.80 × 185,634,868.80
  4. Step 4: Simplify right side
    214,860,187.20x = 59,828,313,991,823,168
  5. Step 5: Solve for x
    x = 59,828,313,991,823,168/214,860,187.20
  6. Step 6: Final answer
    x = 278,452,303.20

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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.