Home / 120,516,008,354.33-166,312,118,675.67-66,322,556,989.63

Finding the Fourth Proportional to 120,516,008,354.33, 166,312,118,675.67 and 66,322,556,989.63

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Solution

The fourth proportional to 120,516,008,354.33, 166,312,118,675.67 and 66,322,556,989.63 is: 91,525,143,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,516,008,354.33 : 166,312,118,675.67 = 66,322,556,989.63 : x
  2. Step 2: Convert to fraction form
    120,516,008,354.33/166,312,118,675.67 = 66,322,556,989.63/x
  3. Step 3: Cross multiply
    120,516,008,354.33x = 166,312,118,675.67 × 66,322,556,989.63
  4. Step 4: Simplify right side
    120,516,008,354.33x = 11,030,244,968,932,566,892,544
  5. Step 5: Solve for x
    x = 11,030,244,968,932,566,892,544/120,516,008,354.33
  6. Step 6: Final answer
    x = 91,525,143,585.10

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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.