Home / 209,952,295.80-314,928,443.70-192,095,878.20

Finding the Fourth Proportional to 209,952,295.80, 314,928,443.70 and 192,095,878.20

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Solution

The fourth proportional to 209,952,295.80, 314,928,443.70 and 192,095,878.20 is: 288,143,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,295.80 : 314,928,443.70 = 192,095,878.20 : x
  2. Step 2: Convert to fraction form
    209,952,295.80/314,928,443.70 = 192,095,878.20/x
  3. Step 3: Cross multiply
    209,952,295.80x = 314,928,443.70 × 192,095,878.20
  4. Step 4: Simplify right side
    209,952,295.80x = 60,496,455,962,710,752
  5. Step 5: Solve for x
    x = 60,496,455,962,710,752/209,952,295.80
  6. Step 6: Final answer
    x = 288,143,817.30

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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.