Home / 295,488,053.80-443,232,080.70-198,742,172.20

Finding the Fourth Proportional to 295,488,053.80, 443,232,080.70 and 198,742,172.20

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Solution

The fourth proportional to 295,488,053.80, 443,232,080.70 and 198,742,172.20 is: 298,113,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,488,053.80 : 443,232,080.70 = 198,742,172.20 : x
  2. Step 2: Convert to fraction form
    295,488,053.80/443,232,080.70 = 198,742,172.20/x
  3. Step 3: Cross multiply
    295,488,053.80x = 443,232,080.70 × 198,742,172.20
  4. Step 4: Simplify right side
    295,488,053.80x = 88,088,906,507,043,696
  5. Step 5: Solve for x
    x = 88,088,906,507,043,696/295,488,053.80
  6. Step 6: Final answer
    x = 298,113,258.30

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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.