Home / 171,964,008.80-257,946,013.20-133,653,017.60

Finding the Fourth Proportional to 171,964,008.80, 257,946,013.20 and 133,653,017.60

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Solution

The fourth proportional to 171,964,008.80, 257,946,013.20 and 133,653,017.60 is: 200,479,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,964,008.80 : 257,946,013.20 = 133,653,017.60 : x
  2. Step 2: Convert to fraction form
    171,964,008.80/257,946,013.20 = 133,653,017.60/x
  3. Step 3: Cross multiply
    171,964,008.80x = 257,946,013.20 × 133,653,017.60
  4. Step 4: Simplify right side
    171,964,008.80x = 34,475,263,042,069,428
  5. Step 5: Solve for x
    x = 34,475,263,042,069,428/171,964,008.80
  6. Step 6: Final answer
    x = 200,479,526.40

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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.