Home / 69,742,019.12-96,241,563.96-38,377,137.20

Finding the Fourth Proportional to 69,742,019.12, 96,241,563.96 and 38,377,137.20

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Solution

The fourth proportional to 69,742,019.12, 96,241,563.96 and 38,377,137.20 is: 52,959,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,742,019.12 : 96,241,563.96 = 38,377,137.20 : x
  2. Step 2: Convert to fraction form
    69,742,019.12/96,241,563.96 = 38,377,137.20/x
  3. Step 3: Cross multiply
    69,742,019.12x = 96,241,563.96 × 38,377,137.20
  4. Step 4: Simplify right side
    69,742,019.12x = 3,693,475,704,435,495.50
  5. Step 5: Solve for x
    x = 3,693,475,704,435,495.50/69,742,019.12
  6. Step 6: Final answer
    x = 52,959,116.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.