Home / 207,722,486.56-286,560,509.52-134,407,317.28

Finding the Fourth Proportional to 207,722,486.56, 286,560,509.52 and 134,407,317.28

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Solution

The fourth proportional to 207,722,486.56, 286,560,509.52 and 134,407,317.28 is: 185,419,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,722,486.56 : 286,560,509.52 = 134,407,317.28 : x
  2. Step 2: Convert to fraction form
    207,722,486.56/286,560,509.52 = 134,407,317.28/x
  3. Step 3: Cross multiply
    207,722,486.56x = 286,560,509.52 × 134,407,317.28
  4. Step 4: Simplify right side
    207,722,486.56x = 38,515,829,322,973,096
  5. Step 5: Solve for x
    x = 38,515,829,322,973,096/207,722,486.56
  6. Step 6: Final answer
    x = 185,419,643.11

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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.