Home / 359,017,072.80-538,525,609.20-140,594,821.80

Finding the Fourth Proportional to 359,017,072.80, 538,525,609.20 and 140,594,821.80

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Solution

The fourth proportional to 359,017,072.80, 538,525,609.20 and 140,594,821.80 is: 210,892,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,017,072.80 : 538,525,609.20 = 140,594,821.80 : x
  2. Step 2: Convert to fraction form
    359,017,072.80/538,525,609.20 = 140,594,821.80/x
  3. Step 3: Cross multiply
    359,017,072.80x = 538,525,609.20 × 140,594,821.80
  4. Step 4: Simplify right side
    359,017,072.80x = 75,713,912,060,210,448
  5. Step 5: Solve for x
    x = 75,713,912,060,210,448/359,017,072.80
  6. Step 6: Final answer
    x = 210,892,232.70

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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.