Home / 254,977,111.20-382,465,666.80-82,471,362.60

Finding the Fourth Proportional to 254,977,111.20, 382,465,666.80 and 82,471,362.60

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Solution

The fourth proportional to 254,977,111.20, 382,465,666.80 and 82,471,362.60 is: 123,707,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,977,111.20 : 382,465,666.80 = 82,471,362.60 : x
  2. Step 2: Convert to fraction form
    254,977,111.20/382,465,666.80 = 82,471,362.60/x
  3. Step 3: Cross multiply
    254,977,111.20x = 382,465,666.80 × 82,471,362.60
  4. Step 4: Simplify right side
    254,977,111.20x = 31,542,464,688,713,580
  5. Step 5: Solve for x
    x = 31,542,464,688,713,580/254,977,111.20
  6. Step 6: Final answer
    x = 123,707,043.90

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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.