Home / 168,392,833-252,589,259.28-40,742,017

Finding the Fourth Proportional to 168,392,833, 252,589,259.28 and 40,742,017

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Solution

The fourth proportional to 168,392,833, 252,589,259.28 and 40,742,017 is: 61,113,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,392,833 : 252,589,259.28 = 40,742,017 : x
  2. Step 2: Convert to fraction form
    168,392,833/252,589,259.28 = 40,742,017/x
  3. Step 3: Cross multiply
    168,392,833x = 252,589,259.28 × 40,742,017
  4. Step 4: Simplify right side
    168,392,833x = 10,290,995,895,603,168
  5. Step 5: Solve for x
    x = 10,290,995,895,603,168/168,392,833
  6. Step 6: Final answer
    x = 61,113,027.87

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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.