Home / 245,038,657.20-367,557,985.80-189,556,216.80

Finding the Fourth Proportional to 245,038,657.20, 367,557,985.80 and 189,556,216.80

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Solution

The fourth proportional to 245,038,657.20, 367,557,985.80 and 189,556,216.80 is: 284,334,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,038,657.20 : 367,557,985.80 = 189,556,216.80 : x
  2. Step 2: Convert to fraction form
    245,038,657.20/367,557,985.80 = 189,556,216.80/x
  3. Step 3: Cross multiply
    245,038,657.20x = 367,557,985.80 × 189,556,216.80
  4. Step 4: Simplify right side
    245,038,657.20x = 69,672,901,242,876,128
  5. Step 5: Solve for x
    x = 69,672,901,242,876,128/245,038,657.20
  6. Step 6: Final answer
    x = 284,334,325.20

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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.