Home / 108,053,025.25-162,084,019.86-31,376,053.47

Finding the Fourth Proportional to 108,053,025.25, 162,084,019.86 and 31,376,053.47

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Solution

The fourth proportional to 108,053,025.25, 162,084,019.86 and 31,376,053.47 is: 47,065,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,053,025.25 : 162,084,019.86 = 31,376,053.47 : x
  2. Step 2: Convert to fraction form
    108,053,025.25/162,084,019.86 = 31,376,053.47/x
  3. Step 3: Cross multiply
    108,053,025.25x = 162,084,019.86 × 31,376,053.47
  4. Step 4: Simplify right side
    108,053,025.25x = 5,085,556,873,759,902
  5. Step 5: Solve for x
    x = 5,085,556,873,759,902/108,053,025.25
  6. Step 6: Final answer
    x = 47,065,381.67

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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.