Home / 295,488,731.20-443,233,096.80-142,055,809.60

Finding the Fourth Proportional to 295,488,731.20, 443,233,096.80 and 142,055,809.60

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Solution

The fourth proportional to 295,488,731.20, 443,233,096.80 and 142,055,809.60 is: 213,083,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,488,731.20 : 443,233,096.80 = 142,055,809.60 : x
  2. Step 2: Convert to fraction form
    295,488,731.20/443,233,096.80 = 142,055,809.60/x
  3. Step 3: Cross multiply
    295,488,731.20x = 443,233,096.80 × 142,055,809.60
  4. Step 4: Simplify right side
    295,488,731.20x = 62,963,836,407,439,168
  5. Step 5: Solve for x
    x = 62,963,836,407,439,168/295,488,731.20
  6. Step 6: Final answer
    x = 213,083,714.40

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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.