Home / 439,860,755.80-659,623,172.10-133,050,899.80

Finding the Fourth Proportional to 439,860,755.80, 659,623,172.10 and 133,050,899.80

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Solution

The fourth proportional to 439,860,755.80, 659,623,172.10 and 133,050,899.80 is: 199,525,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,860,755.80 : 659,623,172.10 = 133,050,899.80 : x
  2. Step 2: Convert to fraction form
    439,860,755.80/659,623,172.10 = 133,050,899.80/x
  3. Step 3: Cross multiply
    439,860,755.80x = 659,623,172.10 × 133,050,899.80
  4. Step 4: Simplify right side
    439,860,755.80x = 87,763,456,576,835,264
  5. Step 5: Solve for x
    x = 87,763,456,576,835,264/439,860,755.80
  6. Step 6: Final answer
    x = 199,525,543.98

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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.