Home / 112,004,360.10-168,006,540.15-105,201,915.30

Finding the Fourth Proportional to 112,004,360.10, 168,006,540.15 and 105,201,915.30

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Solution

The fourth proportional to 112,004,360.10, 168,006,540.15 and 105,201,915.30 is: 157,802,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,004,360.10 : 168,006,540.15 = 105,201,915.30 : x
  2. Step 2: Convert to fraction form
    112,004,360.10/168,006,540.15 = 105,201,915.30/x
  3. Step 3: Cross multiply
    112,004,360.10x = 168,006,540.15 × 105,201,915.30
  4. Step 4: Simplify right side
    112,004,360.10x = 17,674,609,806,706,350
  5. Step 5: Solve for x
    x = 17,674,609,806,706,350/112,004,360.10
  6. Step 6: Final answer
    x = 157,802,872.95

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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.