Home / 51,118,820.56-76,621,434.24-38,948,160.16

Finding the Fourth Proportional to 51,118,820.56, 76,621,434.24 and 38,948,160.16

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Solution

The fourth proportional to 51,118,820.56, 76,621,434.24 and 38,948,160.16 is: 58,378,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118,820.56 : 76,621,434.24 = 38,948,160.16 : x
  2. Step 2: Convert to fraction form
    51,118,820.56/76,621,434.24 = 38,948,160.16/x
  3. Step 3: Cross multiply
    51,118,820.56x = 76,621,434.24 × 38,948,160.16
  4. Step 4: Simplify right side
    51,118,820.56x = 2,984,263,892,468,427.50
  5. Step 5: Solve for x
    x = 2,984,263,892,468,427.50/51,118,820.56
  6. Step 6: Final answer
    x = 58,378,966.10

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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.