Home / 87,492,946,756.92-120,759,690,353.51-53,191,364,674.66

Finding the Fourth Proportional to 87,492,946,756.92, 120,759,690,353.51 and 53,191,364,674.66

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Solution

The fourth proportional to 87,492,946,756.92, 120,759,690,353.51 and 53,191,364,674.66 is: 73,415,891,973.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,492,946,756.92 : 120,759,690,353.51 = 53,191,364,674.66 : x
  2. Step 2: Convert to fraction form
    87,492,946,756.92/120,759,690,353.51 = 53,191,364,674.66/x
  3. Step 3: Cross multiply
    87,492,946,756.92x = 120,759,690,353.51 × 53,191,364,674.66
  4. Step 4: Simplify right side
    87,492,946,756.92x = 6,423,372,727,591,967,391,744
  5. Step 5: Solve for x
    x = 6,423,372,727,591,967,391,744/87,492,946,756.92
  6. Step 6: Final answer
    x = 73,415,891,973.99

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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.