Home / 76,589,145.12-105,678,565.06-45,652,193.04

Finding the Fourth Proportional to 76,589,145.12, 105,678,565.06 and 45,652,193.04

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Solution

The fourth proportional to 76,589,145.12, 105,678,565.06 and 45,652,193.04 is: 62,991,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,589,145.12 : 105,678,565.06 = 45,652,193.04 : x
  2. Step 2: Convert to fraction form
    76,589,145.12/105,678,565.06 = 45,652,193.04/x
  3. Step 3: Cross multiply
    76,589,145.12x = 105,678,565.06 × 45,652,193.04
  4. Step 4: Simplify right side
    76,589,145.12x = 4,824,458,252,309,319
  5. Step 5: Solve for x
    x = 4,824,458,252,309,319/76,589,145.12
  6. Step 6: Final answer
    x = 62,991,410.14

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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.