Home / 54,319,278.80-81,478,918.20-48,367,139.60

Finding the Fourth Proportional to 54,319,278.80, 81,478,918.20 and 48,367,139.60

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Solution

The fourth proportional to 54,319,278.80, 81,478,918.20 and 48,367,139.60 is: 72,550,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319,278.80 : 81,478,918.20 = 48,367,139.60 : x
  2. Step 2: Convert to fraction form
    54,319,278.80/81,478,918.20 = 48,367,139.60/x
  3. Step 3: Cross multiply
    54,319,278.80x = 81,478,918.20 × 48,367,139.60
  4. Step 4: Simplify right side
    54,319,278.80x = 3,940,902,211,036,381
  5. Step 5: Solve for x
    x = 3,940,902,211,036,381/54,319,278.80
  6. Step 6: Final answer
    x = 72,550,709.40

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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.