Home / 162,485,889.89-243,720,250.83-53,296,678.13

Finding the Fourth Proportional to 162,485,889.89, 243,720,250.83 and 53,296,678.13

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Solution

The fourth proportional to 162,485,889.89, 243,720,250.83 and 53,296,678.13 is: 79,942,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,485,889.89 : 243,720,250.83 = 53,296,678.13 : x
  2. Step 2: Convert to fraction form
    162,485,889.89/243,720,250.83 = 53,296,678.13/x
  3. Step 3: Cross multiply
    162,485,889.89x = 243,720,250.83 × 53,296,678.13
  4. Step 4: Simplify right side
    162,485,889.89x = 12,989,479,761,030,774
  5. Step 5: Solve for x
    x = 12,989,479,761,030,774/162,485,889.89
  6. Step 6: Final answer
    x = 79,942,201.57

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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.