Home / 134,575,670.12-185,714,589.66-72,696,009.56

Finding the Fourth Proportional to 134,575,670.12, 185,714,589.66 and 72,696,009.56

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Solution

The fourth proportional to 134,575,670.12, 185,714,589.66 and 72,696,009.56 is: 100,320,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,575,670.12 : 185,714,589.66 = 72,696,009.56 : x
  2. Step 2: Convert to fraction form
    134,575,670.12/185,714,589.66 = 72,696,009.56/x
  3. Step 3: Cross multiply
    134,575,670.12x = 185,714,589.66 × 72,696,009.56
  4. Step 4: Simplify right side
    134,575,670.12x = 13,500,709,585,354,838
  5. Step 5: Solve for x
    x = 13,500,709,585,354,838/134,575,670.12
  6. Step 6: Final answer
    x = 100,320,582.27

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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.