Home / 192,457,413.40-288,686,120.10-188,631,038.20

Finding the Fourth Proportional to 192,457,413.40, 288,686,120.10 and 188,631,038.20

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Solution

The fourth proportional to 192,457,413.40, 288,686,120.10 and 188,631,038.20 is: 282,946,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,457,413.40 : 288,686,120.10 = 188,631,038.20 : x
  2. Step 2: Convert to fraction form
    192,457,413.40/288,686,120.10 = 188,631,038.20/x
  3. Step 3: Cross multiply
    192,457,413.40x = 288,686,120.10 × 188,631,038.20
  4. Step 4: Simplify right side
    192,457,413.40x = 54,455,162,548,392,888
  5. Step 5: Solve for x
    x = 54,455,162,548,392,888/192,457,413.40
  6. Step 6: Final answer
    x = 282,946,557.30

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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.