Home / 48,423,131.40-72,490,769.82-48,359,358.48

Finding the Fourth Proportional to 48,423,131.40, 72,490,769.82 and 48,359,358.48

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Solution

The fourth proportional to 48,423,131.40, 72,490,769.82 and 48,359,358.48 is: 72,395,299.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,423,131.40 : 72,490,769.82 = 48,359,358.48 : x
  2. Step 2: Convert to fraction form
    48,423,131.40/72,490,769.82 = 48,359,358.48/x
  3. Step 3: Cross multiply
    48,423,131.40x = 72,490,769.82 × 48,359,358.48
  4. Step 4: Simplify right side
    48,423,131.40x = 3,505,607,124,216,544.50
  5. Step 5: Solve for x
    x = 3,505,607,124,216,544.50/48,423,131.40
  6. Step 6: Final answer
    x = 72,395,299.99

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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.