Home / 106,445,481.40-159,668,222.10-72,433,257.40

Finding the Fourth Proportional to 106,445,481.40, 159,668,222.10 and 72,433,257.40

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Solution

The fourth proportional to 106,445,481.40, 159,668,222.10 and 72,433,257.40 is: 108,649,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,445,481.40 : 159,668,222.10 = 72,433,257.40 : x
  2. Step 2: Convert to fraction form
    106,445,481.40/159,668,222.10 = 72,433,257.40/x
  3. Step 3: Cross multiply
    106,445,481.40x = 159,668,222.10 × 72,433,257.40
  4. Step 4: Simplify right side
    106,445,481.40x = 11,565,289,429,969,670
  5. Step 5: Solve for x
    x = 11,565,289,429,969,670/106,445,481.40
  6. Step 6: Final answer
    x = 108,649,886.10

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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.