Home / 54,367,279.80-81,550,919.70-30,180,809.40

Finding the Fourth Proportional to 54,367,279.80, 81,550,919.70 and 30,180,809.40

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Solution

The fourth proportional to 54,367,279.80, 81,550,919.70 and 30,180,809.40 is: 45,271,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,367,279.80 : 81,550,919.70 = 30,180,809.40 : x
  2. Step 2: Convert to fraction form
    54,367,279.80/81,550,919.70 = 30,180,809.40/x
  3. Step 3: Cross multiply
    54,367,279.80x = 81,550,919.70 × 30,180,809.40
  4. Step 4: Simplify right side
    54,367,279.80x = 2,461,272,763,860,405
  5. Step 5: Solve for x
    x = 2,461,272,763,860,405/54,367,279.80
  6. Step 6: Final answer
    x = 45,271,214.10

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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.