Home / 127,161,873.60-190,742,810.40-50,445,412.80

Finding the Fourth Proportional to 127,161,873.60, 190,742,810.40 and 50,445,412.80

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Solution

The fourth proportional to 127,161,873.60, 190,742,810.40 and 50,445,412.80 is: 75,668,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,161,873.60 : 190,742,810.40 = 50,445,412.80 : x
  2. Step 2: Convert to fraction form
    127,161,873.60/190,742,810.40 = 50,445,412.80/x
  3. Step 3: Cross multiply
    127,161,873.60x = 190,742,810.40 × 50,445,412.80
  4. Step 4: Simplify right side
    127,161,873.60x = 9,622,099,809,260,132
  5. Step 5: Solve for x
    x = 9,622,099,809,260,132/127,161,873.60
  6. Step 6: Final answer
    x = 75,668,119.20

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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.