Home / 120,636,147,954.97-166,485,444,776.40-66,442,685,814.01

Finding the Fourth Proportional to 120,636,147,954.97, 166,485,444,776.40 and 66,442,685,814.01

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Solution

The fourth proportional to 120,636,147,954.97, 166,485,444,776.40 and 66,442,685,814.01 is: 91,695,070,568.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,636,147,954.97 : 166,485,444,776.40 = 66,442,685,814.01 : x
  2. Step 2: Convert to fraction form
    120,636,147,954.97/166,485,444,776.40 = 66,442,685,814.01/x
  3. Step 3: Cross multiply
    120,636,147,954.97x = 166,485,444,776.40 × 66,442,685,814.01
  4. Step 4: Simplify right side
    120,636,147,954.97x = 11,061,740,099,884,223,037,440
  5. Step 5: Solve for x
    x = 11,061,740,099,884,223,037,440/120,636,147,954.97
  6. Step 6: Final answer
    x = 91,695,070,568.84

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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.