Home / 87,238,619,829.09-130,589,538,863.33-56,920,476,320.89

Finding the Fourth Proportional to 87,238,619,829.09, 130,589,538,863.33 and 56,920,476,320.89

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Solution

The fourth proportional to 87,238,619,829.09, 130,589,538,863.33 and 56,920,476,320.89 is: 85,205,597,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,238,619,829.09 : 130,589,538,863.33 = 56,920,476,320.89 : x
  2. Step 2: Convert to fraction form
    87,238,619,829.09/130,589,538,863.33 = 56,920,476,320.89/x
  3. Step 3: Cross multiply
    87,238,619,829.09x = 130,589,538,863.33 × 56,920,476,320.89
  4. Step 4: Simplify right side
    87,238,619,829.09x = 7,433,218,754,625,858,961,408
  5. Step 5: Solve for x
    x = 7,433,218,754,625,858,961,408/87,238,619,829.09
  6. Step 6: Final answer
    x = 85,205,597,809.65

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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.