Home / 144,080,692,915.38-198,831,375,070.11-79,855,563,623.28

Finding the Fourth Proportional to 144,080,692,915.38, 198,831,375,070.11 and 79,855,563,623.28

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Solution

The fourth proportional to 144,080,692,915.38, 198,831,375,070.11 and 79,855,563,623.28 is: 110,200,688,245.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,080,692,915.38 : 198,831,375,070.11 = 79,855,563,623.28 : x
  2. Step 2: Convert to fraction form
    144,080,692,915.38/198,831,375,070.11 = 79,855,563,623.28/x
  3. Step 3: Cross multiply
    144,080,692,915.38x = 198,831,375,070.11 × 79,855,563,623.28
  4. Step 4: Simplify right side
    144,080,692,915.38x = 15,877,791,522,215,417,610,240
  5. Step 5: Solve for x
    x = 15,877,791,522,215,417,610,240/144,080,692,915.38
  6. Step 6: Final answer
    x = 110,200,688,245.86

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1.5x scale

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.