Home / 126,904,334.86-190,357,159.07-57,768,789.07

Finding the Fourth Proportional to 126,904,334.86, 190,357,159.07 and 57,768,789.07

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Solution

The fourth proportional to 126,904,334.86, 190,357,159.07 and 57,768,789.07 is: 86,653,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904,334.86 : 190,357,159.07 = 57,768,789.07 : x
  2. Step 2: Convert to fraction form
    126,904,334.86/190,357,159.07 = 57,768,789.07/x
  3. Step 3: Cross multiply
    126,904,334.86x = 190,357,159.07 × 57,768,789.07
  4. Step 4: Simplify right side
    126,904,334.86x = 10,996,702,570,279,268
  5. Step 5: Solve for x
    x = 10,996,702,570,279,268/126,904,334.86
  6. Step 6: Final answer
    x = 86,653,482.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.