Home / 189,343,765.20-284,015,647.80-87,307,093.20

Finding the Fourth Proportional to 189,343,765.20, 284,015,647.80 and 87,307,093.20

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Solution

The fourth proportional to 189,343,765.20, 284,015,647.80 and 87,307,093.20 is: 130,960,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,343,765.20 : 284,015,647.80 = 87,307,093.20 : x
  2. Step 2: Convert to fraction form
    189,343,765.20/284,015,647.80 = 87,307,093.20/x
  3. Step 3: Cross multiply
    189,343,765.20x = 284,015,647.80 × 87,307,093.20
  4. Step 4: Simplify right side
    189,343,765.20x = 24,796,580,632,732,976
  5. Step 5: Solve for x
    x = 24,796,580,632,732,976/189,343,765.20
  6. Step 6: Final answer
    x = 130,960,639.80

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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.