Home / 281,983,954.86-389,140,992.99-156,544,633.26

Finding the Fourth Proportional to 281,983,954.86, 389,140,992.99 and 156,544,633.26

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Solution

The fourth proportional to 281,983,954.86, 389,140,992.99 and 156,544,633.26 is: 216,033,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,983,954.86 : 389,140,992.99 = 156,544,633.26 : x
  2. Step 2: Convert to fraction form
    281,983,954.86/389,140,992.99 = 156,544,633.26/x
  3. Step 3: Cross multiply
    281,983,954.86x = 389,140,992.99 × 156,544,633.26
  4. Step 4: Simplify right side
    281,983,954.86x = 60,917,934,034,051,776
  5. Step 5: Solve for x
    x = 60,917,934,034,051,776/281,983,954.86
  6. Step 6: Final answer
    x = 216,033,334.47

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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.