Home / 48,161,903.70-72,242,855.55-19,421,807.70

Finding the Fourth Proportional to 48,161,903.70, 72,242,855.55 and 19,421,807.70

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Solution

The fourth proportional to 48,161,903.70, 72,242,855.55 and 19,421,807.70 is: 29,132,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,161,903.70 : 72,242,855.55 = 19,421,807.70 : x
  2. Step 2: Convert to fraction form
    48,161,903.70/72,242,855.55 = 19,421,807.70/x
  3. Step 3: Cross multiply
    48,161,903.70x = 72,242,855.55 × 19,421,807.70
  4. Step 4: Simplify right side
    48,161,903.70x = 1,403,086,848,190,977.50
  5. Step 5: Solve for x
    x = 1,403,086,848,190,977.50/48,161,903.70
  6. Step 6: Final answer
    x = 29,132,711.55

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Similar ratio
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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.