Home / 113,921,308.44-157,208,156.64-66,877,625.43

Finding the Fourth Proportional to 113,921,308.44, 157,208,156.64 and 66,877,625.43

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Solution

The fourth proportional to 113,921,308.44, 157,208,156.64 and 66,877,625.43 is: 92,289,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,921,308.44 : 157,208,156.64 = 66,877,625.43 : x
  2. Step 2: Convert to fraction form
    113,921,308.44/157,208,156.64 = 66,877,625.43/x
  3. Step 3: Cross multiply
    113,921,308.44x = 157,208,156.64 × 66,877,625.43
  4. Step 4: Simplify right side
    113,921,308.44x = 10,513,708,214,310,686
  5. Step 5: Solve for x
    x = 10,513,708,214,310,686/113,921,308.44
  6. Step 6: Final answer
    x = 92,289,215.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.