Home / 192,456,000.80-288,684,001.20-178,851,111.20

Finding the Fourth Proportional to 192,456,000.80, 288,684,001.20 and 178,851,111.20

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Solution

The fourth proportional to 192,456,000.80, 288,684,001.20 and 178,851,111.20 is: 268,276,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,000.80 : 288,684,001.20 = 178,851,111.20 : x
  2. Step 2: Convert to fraction form
    192,456,000.80/288,684,001.20 = 178,851,111.20/x
  3. Step 3: Cross multiply
    192,456,000.80x = 288,684,001.20 × 178,851,111.20
  4. Step 4: Simplify right side
    192,456,000.80x = 51,631,454,400,282,128
  5. Step 5: Solve for x
    x = 51,631,454,400,282,128/192,456,000.80
  6. Step 6: Final answer
    x = 268,276,666.80

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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.