Home / 72,841,024.80-109,261,537.20-56,578,930.20

Finding the Fourth Proportional to 72,841,024.80, 109,261,537.20 and 56,578,930.20

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Solution

The fourth proportional to 72,841,024.80, 109,261,537.20 and 56,578,930.20 is: 84,868,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,841,024.80 : 109,261,537.20 = 56,578,930.20 : x
  2. Step 2: Convert to fraction form
    72,841,024.80/109,261,537.20 = 56,578,930.20/x
  3. Step 3: Cross multiply
    72,841,024.80x = 109,261,537.20 × 56,578,930.20
  4. Step 4: Simplify right side
    72,841,024.80x = 6,181,900,886,783,504
  5. Step 5: Solve for x
    x = 6,181,900,886,783,504/72,841,024.80
  6. Step 6: Final answer
    x = 84,868,395.30

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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.