Home / 53,298,470.80-79,968,701.40-20,944,867.60

Finding the Fourth Proportional to 53,298,470.80, 79,968,701.40 and 20,944,867.60

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Solution

The fourth proportional to 53,298,470.80, 79,968,701.40 and 20,944,867.60 is: 31,425,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,298,470.80 : 79,968,701.40 = 20,944,867.60 : x
  2. Step 2: Convert to fraction form
    53,298,470.80/79,968,701.40 = 20,944,867.60/x
  3. Step 3: Cross multiply
    53,298,470.80x = 79,968,701.40 × 20,944,867.60
  4. Step 4: Simplify right side
    53,298,470.80x = 1,674,933,862,966,935
  5. Step 5: Solve for x
    x = 1,674,933,862,966,935/53,298,470.80
  6. Step 6: Final answer
    x = 31,425,551.95

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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.