Home / 195,006,020.40-292,509,030.60-80,073,046.80

Finding the Fourth Proportional to 195,006,020.40, 292,509,030.60 and 80,073,046.80

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Solution

The fourth proportional to 195,006,020.40, 292,509,030.60 and 80,073,046.80 is: 120,109,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,006,020.40 : 292,509,030.60 = 80,073,046.80 : x
  2. Step 2: Convert to fraction form
    195,006,020.40/292,509,030.60 = 80,073,046.80/x
  3. Step 3: Cross multiply
    195,006,020.40x = 292,509,030.60 × 80,073,046.80
  4. Step 4: Simplify right side
    195,006,020.40x = 23,422,089,296,656,432
  5. Step 5: Solve for x
    x = 23,422,089,296,656,432/195,006,020.40
  6. Step 6: Final answer
    x = 120,109,570.20

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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.