Home / 192,009,276.80-288,013,915.20-140,990,940.80

Finding the Fourth Proportional to 192,009,276.80, 288,013,915.20 and 140,990,940.80

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Solution

The fourth proportional to 192,009,276.80, 288,013,915.20 and 140,990,940.80 is: 211,486,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,009,276.80 : 288,013,915.20 = 140,990,940.80 : x
  2. Step 2: Convert to fraction form
    192,009,276.80/288,013,915.20 = 140,990,940.80/x
  3. Step 3: Cross multiply
    192,009,276.80x = 288,013,915.20 × 140,990,940.80
  4. Step 4: Simplify right side
    192,009,276.80x = 40,607,352,867,539,424
  5. Step 5: Solve for x
    x = 40,607,352,867,539,424/192,009,276.80
  6. Step 6: Final answer
    x = 211,486,411.20

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1.5x scale

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.