Home / 53,446,016.80-80,169,025.20-45,793,266.40

Finding the Fourth Proportional to 53,446,016.80, 80,169,025.20 and 45,793,266.40

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Solution

The fourth proportional to 53,446,016.80, 80,169,025.20 and 45,793,266.40 is: 68,689,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,446,016.80 : 80,169,025.20 = 45,793,266.40 : x
  2. Step 2: Convert to fraction form
    53,446,016.80/80,169,025.20 = 45,793,266.40/x
  3. Step 3: Cross multiply
    53,446,016.80x = 80,169,025.20 × 45,793,266.40
  4. Step 4: Simplify right side
    53,446,016.80x = 3,671,201,528,011,913.50
  5. Step 5: Solve for x
    x = 3,671,201,528,011,913.50/53,446,016.80
  6. Step 6: Final answer
    x = 68,689,899.60

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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.