Home / 127,066,189.60-190,118,308.56-75,278,595.52

Finding the Fourth Proportional to 127,066,189.60, 190,118,308.56 and 75,278,595.52

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Solution

The fourth proportional to 127,066,189.60, 190,118,308.56 and 75,278,595.52 is: 112,632,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,066,189.60 : 190,118,308.56 = 75,278,595.52 : x
  2. Step 2: Convert to fraction form
    127,066,189.60/190,118,308.56 = 75,278,595.52/x
  3. Step 3: Cross multiply
    127,066,189.60x = 190,118,308.56 × 75,278,595.52
  4. Step 4: Simplify right side
    127,066,189.60x = 14,311,839,251,034,794
  5. Step 5: Solve for x
    x = 14,311,839,251,034,794/127,066,189.60
  6. Step 6: Final answer
    x = 112,632,945.84

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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.