Home / 66,828,144.92-100,242,303.25-18,306,425.48

Finding the Fourth Proportional to 66,828,144.92, 100,242,303.25 and 18,306,425.48

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Solution

The fourth proportional to 66,828,144.92, 100,242,303.25 and 18,306,425.48 is: 27,459,661.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,828,144.92 : 100,242,303.25 = 18,306,425.48 : x
  2. Step 2: Convert to fraction form
    66,828,144.92/100,242,303.25 = 18,306,425.48/x
  3. Step 3: Cross multiply
    66,828,144.92x = 100,242,303.25 × 18,306,425.48
  4. Step 4: Simplify right side
    66,828,144.92x = 1,835,078,254,389,686.75
  5. Step 5: Solve for x
    x = 1,835,078,254,389,686.75/66,828,144.92
  6. Step 6: Final answer
    x = 27,459,661.74

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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.