Home / 56,459,078.40-84,639,292.92-21,891,664.56

Finding the Fourth Proportional to 56,459,078.40, 84,639,292.92 and 21,891,664.56

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Solution

The fourth proportional to 56,459,078.40, 84,639,292.92 and 21,891,664.56 is: 32,818,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,459,078.40 : 84,639,292.92 = 21,891,664.56 : x
  2. Step 2: Convert to fraction form
    56,459,078.40/84,639,292.92 = 21,891,664.56/x
  3. Step 3: Cross multiply
    56,459,078.40x = 84,639,292.92 × 21,891,664.56
  4. Step 4: Simplify right side
    56,459,078.40x = 1,852,895,009,200,222.75
  5. Step 5: Solve for x
    x = 1,852,895,009,200,222.75/56,459,078.40
  6. Step 6: Final answer
    x = 32,818,371.50

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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.