Home / 67,703,449,808.09-93,425,207,190.44-39,857,885,153.55

Finding the Fourth Proportional to 67,703,449,808.09, 93,425,207,190.44 and 39,857,885,153.55

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Solution

The fourth proportional to 67,703,449,808.09, 93,425,207,190.44 and 39,857,885,153.55 is: 55,000,612,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,703,449,808.09 : 93,425,207,190.44 = 39,857,885,153.55 : x
  2. Step 2: Convert to fraction form
    67,703,449,808.09/93,425,207,190.44 = 39,857,885,153.55/x
  3. Step 3: Cross multiply
    67,703,449,808.09x = 93,425,207,190.44 × 39,857,885,153.55
  4. Step 4: Simplify right side
    67,703,449,808.09x = 3,723,731,178,642,972,082,176
  5. Step 5: Solve for x
    x = 3,723,731,178,642,972,082,176/67,703,449,808.09
  6. Step 6: Final answer
    x = 55,000,612,069.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.