Home / 281,190,680.40-422,034,852.60-166,031,230.80

Finding the Fourth Proportional to 281,190,680.40, 422,034,852.60 and 166,031,230.80

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Solution

The fourth proportional to 281,190,680.40, 422,034,852.60 and 166,031,230.80 is: 249,193,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,190,680.40 : 422,034,852.60 = 166,031,230.80 : x
  2. Step 2: Convert to fraction form
    281,190,680.40/422,034,852.60 = 166,031,230.80/x
  3. Step 3: Cross multiply
    281,190,680.40x = 422,034,852.60 × 166,031,230.80
  4. Step 4: Simplify right side
    281,190,680.40x = 70,070,966,017,674,592
  5. Step 5: Solve for x
    x = 70,070,966,017,674,592/281,190,680.40
  6. Step 6: Final answer
    x = 249,193,771.00

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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.