Home / 201,901,102.80-302,851,654.20-72,528,680.40

Finding the Fourth Proportional to 201,901,102.80, 302,851,654.20 and 72,528,680.40

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Solution

The fourth proportional to 201,901,102.80, 302,851,654.20 and 72,528,680.40 is: 108,793,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,901,102.80 : 302,851,654.20 = 72,528,680.40 : x
  2. Step 2: Convert to fraction form
    201,901,102.80/302,851,654.20 = 72,528,680.40/x
  3. Step 3: Cross multiply
    201,901,102.80x = 302,851,654.20 × 72,528,680.40
  4. Step 4: Simplify right side
    201,901,102.80x = 21,965,430,836,083,120
  5. Step 5: Solve for x
    x = 21,965,430,836,083,120/201,901,102.80
  6. Step 6: Final answer
    x = 108,793,020.60

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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.