Home / 55,423,991.68-83,140,419.85-19,017,731.68

Finding the Fourth Proportional to 55,423,991.68, 83,140,419.85 and 19,017,731.68

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Solution

The fourth proportional to 55,423,991.68, 83,140,419.85 and 19,017,731.68 is: 28,528,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423,991.68 : 83,140,419.85 = 19,017,731.68 : x
  2. Step 2: Convert to fraction form
    55,423,991.68/83,140,419.85 = 19,017,731.68/x
  3. Step 3: Cross multiply
    55,423,991.68x = 83,140,419.85 × 19,017,731.68
  4. Step 4: Simplify right side
    55,423,991.68x = 1,581,142,196,469,845.75
  5. Step 5: Solve for x
    x = 1,581,142,196,469,845.75/55,423,991.68
  6. Step 6: Final answer
    x = 28,528,118.39

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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.