Home / 207,900,796.01-286,903,104.20-115,081,303.86

Finding the Fourth Proportional to 207,900,796.01, 286,903,104.20 and 115,081,303.86

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Solution

The fourth proportional to 207,900,796.01, 286,903,104.20 and 115,081,303.86 is: 158,812,202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,900,796.01 : 286,903,104.20 = 115,081,303.86 : x
  2. Step 2: Convert to fraction form
    207,900,796.01/286,903,104.20 = 115,081,303.86/x
  3. Step 3: Cross multiply
    207,900,796.01x = 286,903,104.20 × 115,081,303.86
  4. Step 4: Simplify right side
    207,900,796.01x = 33,017,183,312,242,036
  5. Step 5: Solve for x
    x = 33,017,183,312,242,036/207,900,796.01
  6. Step 6: Final answer
    x = 158,812,202.49

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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.