Home / 77,794,276.70-116,691,415.05-73,330,172.30

Finding the Fourth Proportional to 77,794,276.70, 116,691,415.05 and 73,330,172.30

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Solution

The fourth proportional to 77,794,276.70, 116,691,415.05 and 73,330,172.30 is: 109,995,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,794,276.70 : 116,691,415.05 = 73,330,172.30 : x
  2. Step 2: Convert to fraction form
    77,794,276.70/116,691,415.05 = 73,330,172.30/x
  3. Step 3: Cross multiply
    77,794,276.70x = 116,691,415.05 × 73,330,172.30
  4. Step 4: Simplify right side
    77,794,276.70x = 8,557,001,571,547,313
  5. Step 5: Solve for x
    x = 8,557,001,571,547,313/77,794,276.70
  6. Step 6: Final answer
    x = 109,995,258.45

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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.