Home / 111,255,008.40-166,882,512.60-72,938,768.40

Finding the Fourth Proportional to 111,255,008.40, 166,882,512.60 and 72,938,768.40

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Solution

The fourth proportional to 111,255,008.40, 166,882,512.60 and 72,938,768.40 is: 109,408,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,255,008.40 : 166,882,512.60 = 72,938,768.40 : x
  2. Step 2: Convert to fraction form
    111,255,008.40/166,882,512.60 = 72,938,768.40/x
  3. Step 3: Cross multiply
    111,255,008.40x = 166,882,512.60 × 72,938,768.40
  4. Step 4: Simplify right side
    111,255,008.40x = 12,172,204,936,541,482
  5. Step 5: Solve for x
    x = 12,172,204,936,541,482/111,255,008.40
  6. Step 6: Final answer
    x = 109,408,152.60

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1.5x scale

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.