Home / 64,515,979.20-96,773,968.80-64,068,081.60

Finding the Fourth Proportional to 64,515,979.20, 96,773,968.80 and 64,068,081.60

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Solution

The fourth proportional to 64,515,979.20, 96,773,968.80 and 64,068,081.60 is: 96,102,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515,979.20 : 96,773,968.80 = 64,068,081.60 : x
  2. Step 2: Convert to fraction form
    64,515,979.20/96,773,968.80 = 64,068,081.60/x
  3. Step 3: Cross multiply
    64,515,979.20x = 96,773,968.80 × 64,068,081.60
  4. Step 4: Simplify right side
    64,515,979.20x = 6,200,122,529,834,254
  5. Step 5: Solve for x
    x = 6,200,122,529,834,254/64,515,979.20
  6. Step 6: Final answer
    x = 96,102,122.40

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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.