Home / 73,689,784.20-110,534,676.30-66,515,330.70

Finding the Fourth Proportional to 73,689,784.20, 110,534,676.30 and 66,515,330.70

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Solution

The fourth proportional to 73,689,784.20, 110,534,676.30 and 66,515,330.70 is: 99,772,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,689,784.20 : 110,534,676.30 = 66,515,330.70 : x
  2. Step 2: Convert to fraction form
    73,689,784.20/110,534,676.30 = 66,515,330.70/x
  3. Step 3: Cross multiply
    73,689,784.20x = 110,534,676.30 × 66,515,330.70
  4. Step 4: Simplify right side
    73,689,784.20x = 7,352,250,547,911,953
  5. Step 5: Solve for x
    x = 7,352,250,547,911,953/73,689,784.20
  6. Step 6: Final answer
    x = 99,772,996.05

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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.