Home / 70,576,411.31-105,839,563.90-20,707,313.10

Finding the Fourth Proportional to 70,576,411.31, 105,839,563.90 and 20,707,313.10

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Solution

The fourth proportional to 70,576,411.31, 105,839,563.90 and 20,707,313.10 is: 31,053,619.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,576,411.31 : 105,839,563.90 = 20,707,313.10 : x
  2. Step 2: Convert to fraction form
    70,576,411.31/105,839,563.90 = 20,707,313.10/x
  3. Step 3: Cross multiply
    70,576,411.31x = 105,839,563.90 × 20,707,313.10
  4. Step 4: Simplify right side
    70,576,411.31x = 2,191,652,988,044,757.25
  5. Step 5: Solve for x
    x = 2,191,652,988,044,757.25/70,576,411.31
  6. Step 6: Final answer
    x = 31,053,619.01

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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.