Home / 73,279,386.40-109,919,079.60-25,410,330.40

Finding the Fourth Proportional to 73,279,386.40, 109,919,079.60 and 25,410,330.40

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Solution

The fourth proportional to 73,279,386.40, 109,919,079.60 and 25,410,330.40 is: 38,115,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,279,386.40 : 109,919,079.60 = 25,410,330.40 : x
  2. Step 2: Convert to fraction form
    73,279,386.40/109,919,079.60 = 25,410,330.40/x
  3. Step 3: Cross multiply
    73,279,386.40x = 109,919,079.60 × 25,410,330.40
  4. Step 4: Simplify right side
    73,279,386.40x = 2,793,080,129,899,899.50
  5. Step 5: Solve for x
    x = 2,793,080,129,899,899.50/73,279,386.40
  6. Step 6: Final answer
    x = 38,115,495.60

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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.