Home / 186,570,134.06-257,549,354.26-120,522,843.32

Finding the Fourth Proportional to 186,570,134.06, 257,549,354.26 and 120,522,843.32

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Solution

The fourth proportional to 186,570,134.06, 257,549,354.26 and 120,522,843.32 is: 166,374,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,570,134.06 : 257,549,354.26 = 120,522,843.32 : x
  2. Step 2: Convert to fraction form
    186,570,134.06/257,549,354.26 = 120,522,843.32/x
  3. Step 3: Cross multiply
    186,570,134.06x = 257,549,354.26 × 120,522,843.32
  4. Step 4: Simplify right side
    186,570,134.06x = 31,040,580,470,645,152
  5. Step 5: Solve for x
    x = 31,040,580,470,645,152/186,570,134.06
  6. Step 6: Final answer
    x = 166,374,862.87

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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.