Home / 142,000,644,069.20-213,000,966,103.80-100,722,401,253.20

Finding the Fourth Proportional to 142,000,644,069.20, 213,000,966,103.80 and 100,722,401,253.20

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Solution

The fourth proportional to 142,000,644,069.20, 213,000,966,103.80 and 100,722,401,253.20 is: 151,083,601,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,000,644,069.20 : 213,000,966,103.80 = 100,722,401,253.20 : x
  2. Step 2: Convert to fraction form
    142,000,644,069.20/213,000,966,103.80 = 100,722,401,253.20/x
  3. Step 3: Cross multiply
    142,000,644,069.20x = 213,000,966,103.80 × 100,722,401,253.20
  4. Step 4: Simplify right side
    142,000,644,069.20x = 21,453,968,775,226,192,822,272
  5. Step 5: Solve for x
    x = 21,453,968,775,226,192,822,272/142,000,644,069.20
  6. Step 6: Final answer
    x = 151,083,601,879.80

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1.5x scale

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.