Home / 118,734,000.40-178,101,000.60-91,826,966.80

Finding the Fourth Proportional to 118,734,000.40, 178,101,000.60 and 91,826,966.80

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Solution

The fourth proportional to 118,734,000.40, 178,101,000.60 and 91,826,966.80 is: 137,740,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,734,000.40 : 178,101,000.60 = 91,826,966.80 : x
  2. Step 2: Convert to fraction form
    118,734,000.40/178,101,000.60 = 91,826,966.80/x
  3. Step 3: Cross multiply
    118,734,000.40x = 178,101,000.60 × 91,826,966.80
  4. Step 4: Simplify right side
    118,734,000.40x = 16,354,474,669,142,980
  5. Step 5: Solve for x
    x = 16,354,474,669,142,980/118,734,000.40
  6. Step 6: Final answer
    x = 137,740,450.20

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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.