Home / 53,898,990.80-80,851,985.40-28,389,822.80

Finding the Fourth Proportional to 53,898,990.80, 80,851,985.40 and 28,389,822.80

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Solution

The fourth proportional to 53,898,990.80, 80,851,985.40 and 28,389,822.80 is: 42,586,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,898,990.80 : 80,851,985.40 = 28,389,822.80 : x
  2. Step 2: Convert to fraction form
    53,898,990.80/80,851,985.40 = 28,389,822.80/x
  3. Step 3: Cross multiply
    53,898,990.80x = 80,851,985.40 × 28,389,822.80
  4. Step 4: Simplify right side
    53,898,990.80x = 2,295,373,538,534,187.50
  5. Step 5: Solve for x
    x = 2,295,373,538,534,187.50/53,898,990.80
  6. Step 6: Final answer
    x = 42,586,577.31

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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.