Home / 141,820,064.37-195,711,697.03-76,629,968.37

Finding the Fourth Proportional to 141,820,064.37, 195,711,697.03 and 76,629,968.37

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Solution

The fourth proportional to 141,820,064.37, 195,711,697.03 and 76,629,968.37 is: 105,749,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,820,064.37 : 195,711,697.03 = 76,629,968.37 : x
  2. Step 2: Convert to fraction form
    141,820,064.37/195,711,697.03 = 76,629,968.37/x
  3. Step 3: Cross multiply
    141,820,064.37x = 195,711,697.03 × 76,629,968.37
  4. Step 4: Simplify right side
    141,820,064.37x = 14,997,381,152,342,024
  5. Step 5: Solve for x
    x = 14,997,381,152,342,024/141,820,064.37
  6. Step 6: Final answer
    x = 105,749,360.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.