Home / 106,029,112.60-159,043,668.90-78,819,333.40

Finding the Fourth Proportional to 106,029,112.60, 159,043,668.90 and 78,819,333.40

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Solution

The fourth proportional to 106,029,112.60, 159,043,668.90 and 78,819,333.40 is: 118,229,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,029,112.60 : 159,043,668.90 = 78,819,333.40 : x
  2. Step 2: Convert to fraction form
    106,029,112.60/159,043,668.90 = 78,819,333.40/x
  3. Step 3: Cross multiply
    106,029,112.60x = 159,043,668.90 × 78,819,333.40
  4. Step 4: Simplify right side
    106,029,112.60x = 12,535,715,964,188,312
  5. Step 5: Solve for x
    x = 12,535,715,964,188,312/106,029,112.60
  6. Step 6: Final answer
    x = 118,229,000.10

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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.