Home / 87,492,946,756.25-120,759,690,352.59-53,191,364,673.98

Finding the Fourth Proportional to 87,492,946,756.25, 120,759,690,352.59 and 53,191,364,673.98

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Solution

The fourth proportional to 87,492,946,756.25, 120,759,690,352.59 and 53,191,364,673.98 is: 73,415,891,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,492,946,756.25 : 120,759,690,352.59 = 53,191,364,673.98 : x
  2. Step 2: Convert to fraction form
    87,492,946,756.25/120,759,690,352.59 = 53,191,364,673.98/x
  3. Step 3: Cross multiply
    87,492,946,756.25x = 120,759,690,352.59 × 53,191,364,673.98
  4. Step 4: Simplify right side
    87,492,946,756.25x = 6,423,372,727,461,760,466,944
  5. Step 5: Solve for x
    x = 6,423,372,727,461,760,466,944/87,492,946,756.25
  6. Step 6: Final answer
    x = 73,415,891,973.07

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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.