Home / 193,422,007.80-290,133,011.70-175,565,590.20

Finding the Fourth Proportional to 193,422,007.80, 290,133,011.70 and 175,565,590.20

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Solution

The fourth proportional to 193,422,007.80, 290,133,011.70 and 175,565,590.20 is: 263,348,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,422,007.80 : 290,133,011.70 = 175,565,590.20 : x
  2. Step 2: Convert to fraction form
    193,422,007.80/290,133,011.70 = 175,565,590.20/x
  3. Step 3: Cross multiply
    193,422,007.80x = 290,133,011.70 × 175,565,590.20
  4. Step 4: Simplify right side
    193,422,007.80x = 50,937,373,435,614,000
  5. Step 5: Solve for x
    x = 50,937,373,435,614,000/193,422,007.80
  6. Step 6: Final answer
    x = 263,348,385.30

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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.