Home / 123,672,000.30-185,508,000.45-42,892,968.30

Finding the Fourth Proportional to 123,672,000.30, 185,508,000.45 and 42,892,968.30

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Solution

The fourth proportional to 123,672,000.30, 185,508,000.45 and 42,892,968.30 is: 64,339,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,672,000.30 : 185,508,000.45 = 42,892,968.30 : x
  2. Step 2: Convert to fraction form
    123,672,000.30/185,508,000.45 = 42,892,968.30/x
  3. Step 3: Cross multiply
    123,672,000.30x = 185,508,000.45 × 42,892,968.30
  4. Step 4: Simplify right side
    123,672,000.30x = 7,956,988,782,698,235
  5. Step 5: Solve for x
    x = 7,956,988,782,698,235/123,672,000.30
  6. Step 6: Final answer
    x = 64,339,452.45

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Similar ratio
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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.