Home / 53,209,833.80-79,720,272.30-49,808,611.40

Finding the Fourth Proportional to 53,209,833.80, 79,720,272.30 and 49,808,611.40

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Solution

The fourth proportional to 53,209,833.80, 79,720,272.30 and 49,808,611.40 is: 74,624,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,209,833.80 : 79,720,272.30 = 49,808,611.40 : x
  2. Step 2: Convert to fraction form
    53,209,833.80/79,720,272.30 = 49,808,611.40/x
  3. Step 3: Cross multiply
    53,209,833.80x = 79,720,272.30 × 49,808,611.40
  4. Step 4: Simplify right side
    53,209,833.80x = 3,970,756,063,692,884
  5. Step 5: Solve for x
    x = 3,970,756,063,692,884/53,209,833.80
  6. Step 6: Final answer
    x = 74,624,477.85

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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.