Home / 389,384,455.20-584,038,724.40-102,170,119.20

Finding the Fourth Proportional to 389,384,455.20, 584,038,724.40 and 102,170,119.20

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Solution

The fourth proportional to 389,384,455.20, 584,038,724.40 and 102,170,119.20 is: 153,245,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,384,455.20 : 584,038,724.40 = 102,170,119.20 : x
  2. Step 2: Convert to fraction form
    389,384,455.20/584,038,724.40 = 102,170,119.20/x
  3. Step 3: Cross multiply
    389,384,455.20x = 584,038,724.40 × 102,170,119.20
  4. Step 4: Simplify right side
    389,384,455.20x = 59,671,306,089,363,944
  5. Step 5: Solve for x
    x = 59,671,306,089,363,944/389,384,455.20
  6. Step 6: Final answer
    x = 153,245,218.94

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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.