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Finding the Fourth Proportional to 30,299,076.90, 42,526,324.47 and 30,299,076.90

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Solution

The fourth proportional to 30,299,076.90, 42,526,324.47 and 30,299,076.90 is: 42,526,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299,076.90 : 42,526,324.47 = 30,299,076.90 : x
  2. Step 2: Convert to fraction form
    30,299,076.90/42,526,324.47 = 30,299,076.90/x
  3. Step 3: Cross multiply
    30,299,076.90x = 42,526,324.47 × 30,299,076.90
  4. Step 4: Simplify right side
    30,299,076.90x = 1,288,508,375,390,881.75
  5. Step 5: Solve for x
    x = 1,288,508,375,390,881.75/30,299,076.90
  6. Step 6: Final answer
    x = 42,526,324.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.