Home / 123,299,732.99-170,152,275.49-66,783,072.86

Finding the Fourth Proportional to 123,299,732.99, 170,152,275.49 and 66,783,072.86

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Solution

The fourth proportional to 123,299,732.99, 170,152,275.49 and 66,783,072.86 is: 92,159,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,299,732.99 : 170,152,275.49 = 66,783,072.86 : x
  2. Step 2: Convert to fraction form
    123,299,732.99/170,152,275.49 = 66,783,072.86/x
  3. Step 3: Cross multiply
    123,299,732.99x = 170,152,275.49 × 66,783,072.86
  4. Step 4: Simplify right side
    123,299,732.99x = 11,363,291,810,158,786
  5. Step 5: Solve for x
    x = 11,363,291,810,158,786/123,299,732.99
  6. Step 6: Final answer
    x = 92,159,906.07

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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.