Home / 104,819,555,921.40-157,229,333,882.10-86,208,066,948.60

Finding the Fourth Proportional to 104,819,555,921.40, 157,229,333,882.10 and 86,208,066,948.60

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Solution

The fourth proportional to 104,819,555,921.40, 157,229,333,882.10 and 86,208,066,948.60 is: 129,312,100,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,819,555,921.40 : 157,229,333,882.10 = 86,208,066,948.60 : x
  2. Step 2: Convert to fraction form
    104,819,555,921.40/157,229,333,882.10 = 86,208,066,948.60/x
  3. Step 3: Cross multiply
    104,819,555,921.40x = 157,229,333,882.10 × 86,208,066,948.60
  4. Step 4: Simplify right side
    104,819,555,921.40x = 13,554,436,941,591,861,002,240
  5. Step 5: Solve for x
    x = 13,554,436,941,591,861,002,240/104,819,555,921.40
  6. Step 6: Final answer
    x = 129,312,100,422.90

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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.