Home / 281,445,113.21-422,220,703.75-106,620,510.38

Finding the Fourth Proportional to 281,445,113.21, 422,220,703.75 and 106,620,510.38

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Solution

The fourth proportional to 281,445,113.21, 422,220,703.75 and 106,620,510.38 is: 159,950,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,445,113.21 : 422,220,703.75 = 106,620,510.38 : x
  2. Step 2: Convert to fraction form
    281,445,113.21/422,220,703.75 = 106,620,510.38/x
  3. Step 3: Cross multiply
    281,445,113.21x = 422,220,703.75 × 106,620,510.38
  4. Step 4: Simplify right side
    281,445,113.21x = 45,017,386,924,450,128
  5. Step 5: Solve for x
    x = 45,017,386,924,450,128/281,445,113.21
  6. Step 6: Final answer
    x = 159,950,856.53

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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.