Home / 201,271,510.80-301,907,266.20-86,267,678.40

Finding the Fourth Proportional to 201,271,510.80, 301,907,266.20 and 86,267,678.40

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Solution

The fourth proportional to 201,271,510.80, 301,907,266.20 and 86,267,678.40 is: 129,401,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,271,510.80 : 301,907,266.20 = 86,267,678.40 : x
  2. Step 2: Convert to fraction form
    201,271,510.80/301,907,266.20 = 86,267,678.40/x
  3. Step 3: Cross multiply
    201,271,510.80x = 301,907,266.20 × 86,267,678.40
  4. Step 4: Simplify right side
    201,271,510.80x = 26,044,838,947,164,792
  5. Step 5: Solve for x
    x = 26,044,838,947,164,792/201,271,510.80
  6. Step 6: Final answer
    x = 129,401,517.60

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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.