Home / 64,000,032.88-96,012,158.55-20,291,800.18

Finding the Fourth Proportional to 64,000,032.88, 96,012,158.55 and 20,291,800.18

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Solution

The fourth proportional to 64,000,032.88, 96,012,158.55 and 20,291,800.18 is: 30,441,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,000,032.88 : 96,012,158.55 = 20,291,800.18 : x
  2. Step 2: Convert to fraction form
    64,000,032.88/96,012,158.55 = 20,291,800.18/x
  3. Step 3: Cross multiply
    64,000,032.88x = 96,012,158.55 × 20,291,800.18
  4. Step 4: Simplify right side
    64,000,032.88x = 1,948,259,535,667,017.75
  5. Step 5: Solve for x
    x = 1,948,259,535,667,017.75/64,000,032.88
  6. Step 6: Final answer
    x = 30,441,539.61

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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.