Home / 100,462,032,001.80-150,693,048,002.70-81,865,848,529.80

Finding the Fourth Proportional to 100,462,032,001.80, 150,693,048,002.70 and 81,865,848,529.80

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Solution

The fourth proportional to 100,462,032,001.80, 150,693,048,002.70 and 81,865,848,529.80 is: 122,798,772,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,462,032,001.80 : 150,693,048,002.70 = 81,865,848,529.80 : x
  2. Step 2: Convert to fraction form
    100,462,032,001.80/150,693,048,002.70 = 81,865,848,529.80/x
  3. Step 3: Cross multiply
    100,462,032,001.80x = 150,693,048,002.70 × 81,865,848,529.80
  4. Step 4: Simplify right side
    100,462,032,001.80x = 12,336,614,242,282,920,476,672
  5. Step 5: Solve for x
    x = 12,336,614,242,282,920,476,672/100,462,032,001.80
  6. Step 6: Final answer
    x = 122,798,772,794.70

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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.