Home / 31,109,497.60-46,664,246.40-20,359,955.20

Finding the Fourth Proportional to 31,109,497.60, 46,664,246.40 and 20,359,955.20

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Solution

The fourth proportional to 31,109,497.60, 46,664,246.40 and 20,359,955.20 is: 30,539,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109,497.60 : 46,664,246.40 = 20,359,955.20 : x
  2. Step 2: Convert to fraction form
    31,109,497.60/46,664,246.40 = 20,359,955.20/x
  3. Step 3: Cross multiply
    31,109,497.60x = 46,664,246.40 × 20,359,955.20
  4. Step 4: Simplify right side
    31,109,497.60x = 950,081,966,145,761.25
  5. Step 5: Solve for x
    x = 950,081,966,145,761.25/31,109,497.60
  6. Step 6: Final answer
    x = 30,539,932.80

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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.