Home / 30,348,741.70-45,523,112.55-21,101,668.30

Finding the Fourth Proportional to 30,348,741.70, 45,523,112.55 and 21,101,668.30

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Solution

The fourth proportional to 30,348,741.70, 45,523,112.55 and 21,101,668.30 is: 31,652,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348,741.70 : 45,523,112.55 = 21,101,668.30 : x
  2. Step 2: Convert to fraction form
    30,348,741.70/45,523,112.55 = 21,101,668.30/x
  3. Step 3: Cross multiply
    30,348,741.70x = 45,523,112.55 × 21,101,668.30
  4. Step 4: Simplify right side
    30,348,741.70x = 960,613,621,013,667.12
  5. Step 5: Solve for x
    x = 960,613,621,013,667.12/30,348,741.70
  6. Step 6: Final answer
    x = 31,652,502.45

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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.