Home / 172,413,354,467.20-258,620,031,700.80-101,885,606,780.80

Finding the Fourth Proportional to 172,413,354,467.20, 258,620,031,700.80 and 101,885,606,780.80

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Solution

The fourth proportional to 172,413,354,467.20, 258,620,031,700.80 and 101,885,606,780.80 is: 152,828,410,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,413,354,467.20 : 258,620,031,700.80 = 101,885,606,780.80 : x
  2. Step 2: Convert to fraction form
    172,413,354,467.20/258,620,031,700.80 = 101,885,606,780.80/x
  3. Step 3: Cross multiply
    172,413,354,467.20x = 258,620,031,700.80 × 101,885,606,780.80
  4. Step 4: Simplify right side
    172,413,354,467.20x = 26,349,658,855,505,739,644,928
  5. Step 5: Solve for x
    x = 26,349,658,855,505,739,644,928/172,413,354,467.20
  6. Step 6: Final answer
    x = 152,828,410,171.20

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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.