Home / 112,211,166,957.90-154,849,496,612.46-60,769,309,903.20

Finding the Fourth Proportional to 112,211,166,957.90, 154,849,496,612.46 and 60,769,309,903.20

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Solution

The fourth proportional to 112,211,166,957.90, 154,849,496,612.46 and 60,769,309,903.20 is: 83,860,611,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211,166,957.90 : 154,849,496,612.46 = 60,769,309,903.20 : x
  2. Step 2: Convert to fraction form
    112,211,166,957.90/154,849,496,612.46 = 60,769,309,903.20/x
  3. Step 3: Cross multiply
    112,211,166,957.90x = 154,849,496,612.46 × 60,769,309,903.20
  4. Step 4: Simplify right side
    112,211,166,957.90x = 9,410,097,047,997,099,540,480
  5. Step 5: Solve for x
    x = 9,410,097,047,997,099,540,480/112,211,166,957.90
  6. Step 6: Final answer
    x = 83,860,611,230.68

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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.