Home / 165,742,820.60-248,614,230.90-101,172,739.10

Finding the Fourth Proportional to 165,742,820.60, 248,614,230.90 and 101,172,739.10

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Solution

The fourth proportional to 165,742,820.60, 248,614,230.90 and 101,172,739.10 is: 151,759,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,742,820.60 : 248,614,230.90 = 101,172,739.10 : x
  2. Step 2: Convert to fraction form
    165,742,820.60/248,614,230.90 = 101,172,739.10/x
  3. Step 3: Cross multiply
    165,742,820.60x = 248,614,230.90 × 101,172,739.10
  4. Step 4: Simplify right side
    165,742,820.60x = 25,152,982,719,392,856
  5. Step 5: Solve for x
    x = 25,152,982,719,392,856/165,742,820.60
  6. Step 6: Final answer
    x = 151,759,108.65

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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.