Home / 123,436,121.40-172,583,821.80-123,436,121.40

Finding the Fourth Proportional to 123,436,121.40, 172,583,821.80 and 123,436,121.40

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Solution

The fourth proportional to 123,436,121.40, 172,583,821.80 and 123,436,121.40 is: 172,583,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,436,121.40 : 172,583,821.80 = 123,436,121.40 : x
  2. Step 2: Convert to fraction form
    123,436,121.40/172,583,821.80 = 123,436,121.40/x
  3. Step 3: Cross multiply
    123,436,121.40x = 172,583,821.80 × 123,436,121.40
  4. Step 4: Simplify right side
    123,436,121.40x = 21,303,077,579,380,768
  5. Step 5: Solve for x
    x = 21,303,077,579,380,768/123,436,121.40
  6. Step 6: Final answer
    x = 172,583,821.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.