Home / 196,660,801.20-294,991,201.80-69,009,985.20

Finding the Fourth Proportional to 196,660,801.20, 294,991,201.80 and 69,009,985.20

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Solution

The fourth proportional to 196,660,801.20, 294,991,201.80 and 69,009,985.20 is: 103,514,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,660,801.20 : 294,991,201.80 = 69,009,985.20 : x
  2. Step 2: Convert to fraction form
    196,660,801.20/294,991,201.80 = 69,009,985.20/x
  3. Step 3: Cross multiply
    196,660,801.20x = 294,991,201.80 × 69,009,985.20
  4. Step 4: Simplify right side
    196,660,801.20x = 20,357,338,470,348,216
  5. Step 5: Solve for x
    x = 20,357,338,470,348,216/196,660,801.20
  6. Step 6: Final answer
    x = 103,514,977.80

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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.