Home / 219,834,017.20-329,751,025.80-155,336,762.80

Finding the Fourth Proportional to 219,834,017.20, 329,751,025.80 and 155,336,762.80

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Solution

The fourth proportional to 219,834,017.20, 329,751,025.80 and 155,336,762.80 is: 233,005,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,834,017.20 : 329,751,025.80 = 155,336,762.80 : x
  2. Step 2: Convert to fraction form
    219,834,017.20/329,751,025.80 = 155,336,762.80/x
  3. Step 3: Cross multiply
    219,834,017.20x = 329,751,025.80 × 155,336,762.80
  4. Step 4: Simplify right side
    219,834,017.20x = 51,222,456,877,751,288
  5. Step 5: Solve for x
    x = 51,222,456,877,751,288/219,834,017.20
  6. Step 6: Final answer
    x = 233,005,144.20

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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.