Home / 120,613,538,399.40-180,920,307,599.10-110,164,983,186.60

Finding the Fourth Proportional to 120,613,538,399.40, 180,920,307,599.10 and 110,164,983,186.60

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Solution

The fourth proportional to 120,613,538,399.40, 180,920,307,599.10 and 110,164,983,186.60 is: 165,247,474,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,613,538,399.40 : 180,920,307,599.10 = 110,164,983,186.60 : x
  2. Step 2: Convert to fraction form
    120,613,538,399.40/180,920,307,599.10 = 110,164,983,186.60/x
  3. Step 3: Cross multiply
    120,613,538,399.40x = 180,920,307,599.10 × 110,164,983,186.60
  4. Step 4: Simplify right side
    120,613,538,399.40x = 19,931,082,644,769,355,071,488
  5. Step 5: Solve for x
    x = 19,931,082,644,769,355,071,488/120,613,538,399.40
  6. Step 6: Final answer
    x = 165,247,474,779.90

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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.