Home / 82,820,734.80-124,137,790.20-39,710,590.80

Finding the Fourth Proportional to 82,820,734.80, 124,137,790.20 and 39,710,590.80

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Solution

The fourth proportional to 82,820,734.80, 124,137,790.20 and 39,710,590.80 is: 59,521,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,820,734.80 : 124,137,790.20 = 39,710,590.80 : x
  2. Step 2: Convert to fraction form
    82,820,734.80/124,137,790.20 = 39,710,590.80/x
  3. Step 3: Cross multiply
    82,820,734.80x = 124,137,790.20 × 39,710,590.80
  4. Step 4: Simplify right side
    82,820,734.80x = 4,929,584,989,448,450
  5. Step 5: Solve for x
    x = 4,929,584,989,448,450/82,820,734.80
  6. Step 6: Final answer
    x = 59,521,145.29

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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.