Home / 160,399,786.86-221,532,254.10-108,403,599.42

Finding the Fourth Proportional to 160,399,786.86, 221,532,254.10 and 108,403,599.42

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Solution

The fourth proportional to 160,399,786.86, 221,532,254.10 and 108,403,599.42 is: 149,718,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,399,786.86 : 221,532,254.10 = 108,403,599.42 : x
  2. Step 2: Convert to fraction form
    160,399,786.86/221,532,254.10 = 108,403,599.42/x
  3. Step 3: Cross multiply
    160,399,786.86x = 221,532,254.10 × 108,403,599.42
  4. Step 4: Simplify right side
    160,399,786.86x = 24,014,893,732,066,052
  5. Step 5: Solve for x
    x = 24,014,893,732,066,052/160,399,786.86
  6. Step 6: Final answer
    x = 149,718,987.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.