Home / 281,209,676.56-421,834,720.73-96,974,502.32

Finding the Fourth Proportional to 281,209,676.56, 421,834,720.73 and 96,974,502.32

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Solution

The fourth proportional to 281,209,676.56, 421,834,720.73 and 96,974,502.32 is: 145,468,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,209,676.56 : 421,834,720.73 = 96,974,502.32 : x
  2. Step 2: Convert to fraction form
    281,209,676.56/421,834,720.73 = 96,974,502.32/x
  3. Step 3: Cross multiply
    281,209,676.56x = 421,834,720.73 × 96,974,502.32
  4. Step 4: Simplify right side
    281,209,676.56x = 40,907,212,104,657,656
  5. Step 5: Solve for x
    x = 40,907,212,104,657,656/281,209,676.56
  6. Step 6: Final answer
    x = 145,468,721.44

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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.