Home / 129,404,352,441.60-194,106,528,662.40-105,895,103,212.80

Finding the Fourth Proportional to 129,404,352,441.60, 194,106,528,662.40 and 105,895,103,212.80

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Solution

The fourth proportional to 129,404,352,441.60, 194,106,528,662.40 and 105,895,103,212.80 is: 158,842,654,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,404,352,441.60 : 194,106,528,662.40 = 105,895,103,212.80 : x
  2. Step 2: Convert to fraction form
    129,404,352,441.60/194,106,528,662.40 = 105,895,103,212.80/x
  3. Step 3: Cross multiply
    129,404,352,441.60x = 194,106,528,662.40 × 105,895,103,212.80
  4. Step 4: Simplify right side
    129,404,352,441.60x = 20,554,930,886,983,169,343,488
  5. Step 5: Solve for x
    x = 20,554,930,886,983,169,343,488/129,404,352,441.60
  6. Step 6: Final answer
    x = 158,842,654,819.20

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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.