Home / 129,404,352,023.10-194,106,528,034.65-105,895,102,794.30

Finding the Fourth Proportional to 129,404,352,023.10, 194,106,528,034.65 and 105,895,102,794.30

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Solution

The fourth proportional to 129,404,352,023.10, 194,106,528,034.65 and 105,895,102,794.30 is: 158,842,654,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,404,352,023.10 : 194,106,528,034.65 = 105,895,102,794.30 : x
  2. Step 2: Convert to fraction form
    129,404,352,023.10/194,106,528,034.65 = 105,895,102,794.30/x
  3. Step 3: Cross multiply
    129,404,352,023.10x = 194,106,528,034.65 × 105,895,102,794.30
  4. Step 4: Simplify right side
    129,404,352,023.10x = 20,554,930,739,273,938,239,488
  5. Step 5: Solve for x
    x = 20,554,930,739,273,938,239,488/129,404,352,023.10
  6. Step 6: Final answer
    x = 158,842,654,191.45

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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.