Home / 42,494,976.70-63,742,465.05-27,189,475.90

Finding the Fourth Proportional to 42,494,976.70, 63,742,465.05 and 27,189,475.90

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Solution

The fourth proportional to 42,494,976.70, 63,742,465.05 and 27,189,475.90 is: 40,784,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,494,976.70 : 63,742,465.05 = 27,189,475.90 : x
  2. Step 2: Convert to fraction form
    42,494,976.70/63,742,465.05 = 27,189,475.90/x
  3. Step 3: Cross multiply
    42,494,976.70x = 63,742,465.05 × 27,189,475.90
  4. Step 4: Simplify right side
    42,494,976.70x = 1,733,124,217,283,567
  5. Step 5: Solve for x
    x = 1,733,124,217,283,567/42,494,976.70
  6. Step 6: Final answer
    x = 40,784,213.85

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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.