Home / 102,213,741.61-153,339,655.76-33,120,383.69

Finding the Fourth Proportional to 102,213,741.61, 153,339,655.76 and 33,120,383.69

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Solution

The fourth proportional to 102,213,741.61, 153,339,655.76 and 33,120,383.69 is: 49,686,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,213,741.61 : 153,339,655.76 = 33,120,383.69 : x
  2. Step 2: Convert to fraction form
    102,213,741.61/153,339,655.76 = 33,120,383.69/x
  3. Step 3: Cross multiply
    102,213,741.61x = 153,339,655.76 × 33,120,383.69
  4. Step 4: Simplify right side
    102,213,741.61x = 5,078,668,234,005,667
  5. Step 5: Solve for x
    x = 5,078,668,234,005,667/102,213,741.61
  6. Step 6: Final answer
    x = 49,686,746.16

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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.