Home / 118,100,268.96-162,983,095.68-65,893,867.20

Finding the Fourth Proportional to 118,100,268.96, 162,983,095.68 and 65,893,867.20

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Solution

The fourth proportional to 118,100,268.96, 162,983,095.68 and 65,893,867.20 is: 90,936,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,100,268.96 : 162,983,095.68 = 65,893,867.20 : x
  2. Step 2: Convert to fraction form
    118,100,268.96/162,983,095.68 = 65,893,867.20/x
  3. Step 3: Cross multiply
    118,100,268.96x = 162,983,095.68 × 65,893,867.20
  4. Step 4: Simplify right side
    118,100,268.96x = 10,739,586,462,582,814
  5. Step 5: Solve for x
    x = 10,739,586,462,582,814/118,100,268.96
  6. Step 6: Final answer
    x = 90,936,172.77

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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.