Home / 84,219,906.40-126,329,859.60-41,066,897.20

Finding the Fourth Proportional to 84,219,906.40, 126,329,859.60 and 41,066,897.20

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Solution

The fourth proportional to 84,219,906.40, 126,329,859.60 and 41,066,897.20 is: 61,600,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,219,906.40 : 126,329,859.60 = 41,066,897.20 : x
  2. Step 2: Convert to fraction form
    84,219,906.40/126,329,859.60 = 41,066,897.20/x
  3. Step 3: Cross multiply
    84,219,906.40x = 126,329,859.60 × 41,066,897.20
  4. Step 4: Simplify right side
    84,219,906.40x = 5,187,975,357,483,633
  5. Step 5: Solve for x
    x = 5,187,975,357,483,633/84,219,906.40
  6. Step 6: Final answer
    x = 61,600,345.80

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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.