Home / 115,534,597,497.39-173,313,771,227.73-39,987,624,842.78

Finding the Fourth Proportional to 115,534,597,497.39, 173,313,771,227.73 and 39,987,624,842.78

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Solution

The fourth proportional to 115,534,597,497.39, 173,313,771,227.73 and 39,987,624,842.78 is: 59,985,547,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,534,597,497.39 : 173,313,771,227.73 = 39,987,624,842.78 : x
  2. Step 2: Convert to fraction form
    115,534,597,497.39/173,313,771,227.73 = 39,987,624,842.78/x
  3. Step 3: Cross multiply
    115,534,597,497.39x = 173,313,771,227.73 × 39,987,624,842.78
  4. Step 4: Simplify right side
    115,534,597,497.39x = 6,930,406,063,941,000,101,888
  5. Step 5: Solve for x
    x = 6,930,406,063,941,000,101,888/115,534,597,497.39
  6. Step 6: Final answer
    x = 59,985,547,308.44

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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.