Home / 100,462,032,000.37-150,693,048,000.55-81,865,848,528.37

Finding the Fourth Proportional to 100,462,032,000.37, 150,693,048,000.55 and 81,865,848,528.37

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Solution

The fourth proportional to 100,462,032,000.37, 150,693,048,000.55 and 81,865,848,528.37 is: 122,798,772,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,462,032,000.37 : 150,693,048,000.55 = 81,865,848,528.37 : x
  2. Step 2: Convert to fraction form
    100,462,032,000.37/150,693,048,000.55 = 81,865,848,528.37/x
  3. Step 3: Cross multiply
    100,462,032,000.37x = 150,693,048,000.55 × 81,865,848,528.37
  4. Step 4: Simplify right side
    100,462,032,000.37x = 12,336,614,241,890,662,875,136
  5. Step 5: Solve for x
    x = 12,336,614,241,890,662,875,136/100,462,032,000.37
  6. Step 6: Final answer
    x = 122,798,772,792.54

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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.