Home / 87,205,869,361.58-120,366,490,918.18-56,797,827,072.35

Finding the Fourth Proportional to 87,205,869,361.58, 120,366,490,918.18 and 56,797,827,072.35

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Solution

The fourth proportional to 87,205,869,361.58, 120,366,490,918.18 and 56,797,827,072.35 is: 78,395,584,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,205,869,361.58 : 120,366,490,918.18 = 56,797,827,072.35 : x
  2. Step 2: Convert to fraction form
    87,205,869,361.58/120,366,490,918.18 = 56,797,827,072.35/x
  3. Step 3: Cross multiply
    87,205,869,361.58x = 120,366,490,918.18 × 56,797,827,072.35
  4. Step 4: Simplify right side
    87,205,869,361.58x = 6,836,555,136,475,771,961,344
  5. Step 5: Solve for x
    x = 6,836,555,136,475,771,961,344/87,205,869,361.58
  6. Step 6: Final answer
    x = 78,395,584,913.33

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Double scale
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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.