Home / 64,515,198.80-96,772,798.20-53,168,459.60

Finding the Fourth Proportional to 64,515,198.80, 96,772,798.20 and 53,168,459.60

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Solution

The fourth proportional to 64,515,198.80, 96,772,798.20 and 53,168,459.60 is: 79,752,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515,198.80 : 96,772,798.20 = 53,168,459.60 : x
  2. Step 2: Convert to fraction form
    64,515,198.80/96,772,798.20 = 53,168,459.60/x
  3. Step 3: Cross multiply
    64,515,198.80x = 96,772,798.20 × 53,168,459.60
  4. Step 4: Simplify right side
    64,515,198.80x = 5,145,260,611,475,653
  5. Step 5: Solve for x
    x = 5,145,260,611,475,653/64,515,198.80
  6. Step 6: Final answer
    x = 79,752,689.40

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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.