Home / 52,005,990.57-71,768,305.67-28,163,802.83

Finding the Fourth Proportional to 52,005,990.57, 71,768,305.67 and 28,163,802.83

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Solution

The fourth proportional to 52,005,990.57, 71,768,305.67 and 28,163,802.83 is: 38,866,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,005,990.57 : 71,768,305.67 = 28,163,802.83 : x
  2. Step 2: Convert to fraction form
    52,005,990.57/71,768,305.67 = 28,163,802.83/x
  3. Step 3: Cross multiply
    52,005,990.57x = 71,768,305.67 × 28,163,802.83
  4. Step 4: Simplify right side
    52,005,990.57x = 2,021,268,410,189,152.50
  5. Step 5: Solve for x
    x = 2,021,268,410,189,152.50/52,005,990.57
  6. Step 6: Final answer
    x = 38,866,068.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.