Home / 30,373,334,124.30-41,915,186,512.83-18,166,039,030.53

Finding the Fourth Proportional to 30,373,334,124.30, 41,915,186,512.83 and 18,166,039,030.53

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Solution

The fourth proportional to 30,373,334,124.30, 41,915,186,512.83 and 18,166,039,030.53 is: 25,069,125,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,373,334,124.30 : 41,915,186,512.83 = 18,166,039,030.53 : x
  2. Step 2: Convert to fraction form
    30,373,334,124.30/41,915,186,512.83 = 18,166,039,030.53/x
  3. Step 3: Cross multiply
    30,373,334,124.30x = 41,915,186,512.83 × 18,166,039,030.53
  4. Step 4: Simplify right side
    30,373,334,124.30x = 761,432,914,164,014,383,104
  5. Step 5: Solve for x
    x = 761,432,914,164,014,383,104/30,373,334,124.30
  6. Step 6: Final answer
    x = 25,069,125,142.73

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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.