Home / 64,457,620-96,689,098.14-19,019,414.50

Finding the Fourth Proportional to 64,457,620, 96,689,098.14 and 19,019,414.50

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Solution

The fourth proportional to 64,457,620, 96,689,098.14 and 19,019,414.50 is: 28,529,909.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,457,620 : 96,689,098.14 = 19,019,414.50 : x
  2. Step 2: Convert to fraction form
    64,457,620/96,689,098.14 = 19,019,414.50/x
  3. Step 3: Cross multiply
    64,457,620x = 96,689,098.14 × 19,019,414.50
  4. Step 4: Simplify right side
    64,457,620x = 1,838,970,035,155,839
  5. Step 5: Solve for x
    x = 1,838,970,035,155,839/64,457,620
  6. Step 6: Final answer
    x = 28,529,909.03

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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.