Home / 207,907,929.56-312,168,465.26-115,971,293.76

Finding the Fourth Proportional to 207,907,929.56, 312,168,465.26 and 115,971,293.76

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Solution

The fourth proportional to 207,907,929.56, 312,168,465.26 and 115,971,293.76 is: 174,127,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,907,929.56 : 312,168,465.26 = 115,971,293.76 : x
  2. Step 2: Convert to fraction form
    207,907,929.56/312,168,465.26 = 115,971,293.76/x
  3. Step 3: Cross multiply
    207,907,929.56x = 312,168,465.26 × 115,971,293.76
  4. Step 4: Simplify right side
    207,907,929.56x = 36,202,580,786,695,960
  5. Step 5: Solve for x
    x = 36,202,580,786,695,960/207,907,929.56
  6. Step 6: Final answer
    x = 174,127,946.27

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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.