Home / 210,069,120.80-314,891,104.80-123,763,102.40

Finding the Fourth Proportional to 210,069,120.80, 314,891,104.80 and 123,763,102.40

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Solution

The fourth proportional to 210,069,120.80, 314,891,104.80 and 123,763,102.40 is: 185,519,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,069,120.80 : 314,891,104.80 = 123,763,102.40 : x
  2. Step 2: Convert to fraction form
    210,069,120.80/314,891,104.80 = 123,763,102.40/x
  3. Step 3: Cross multiply
    210,069,120.80x = 314,891,104.80 × 123,763,102.40
  4. Step 4: Simplify right side
    210,069,120.80x = 38,971,900,048,211,536
  5. Step 5: Solve for x
    x = 38,971,900,048,211,536/210,069,120.80
  6. Step 6: Final answer
    x = 185,519,413.32

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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.