Home / 87,492,946,756.42-120,759,690,352.82-53,191,364,674.16

Finding the Fourth Proportional to 87,492,946,756.42, 120,759,690,352.82 and 53,191,364,674.16

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Solution

The fourth proportional to 87,492,946,756.42, 120,759,690,352.82 and 53,191,364,674.16 is: 73,415,891,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,492,946,756.42 : 120,759,690,352.82 = 53,191,364,674.16 : x
  2. Step 2: Convert to fraction form
    87,492,946,756.42/120,759,690,352.82 = 53,191,364,674.16/x
  3. Step 3: Cross multiply
    87,492,946,756.42x = 120,759,690,352.82 × 53,191,364,674.16
  4. Step 4: Simplify right side
    87,492,946,756.42x = 6,423,372,727,494,886,031,360
  5. Step 5: Solve for x
    x = 6,423,372,727,494,886,031,360/87,492,946,756.42
  6. Step 6: Final answer
    x = 73,415,891,973.30

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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.