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Finding the Fourth Proportional to 64,745,651.60, 97,104,480.60 and 28,353,971.60

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Solution

The fourth proportional to 64,745,651.60, 97,104,480.60 and 28,353,971.60 is: 42,524,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,745,651.60 : 97,104,480.60 = 28,353,971.60 : x
  2. Step 2: Convert to fraction form
    64,745,651.60/97,104,480.60 = 28,353,971.60/x
  3. Step 3: Cross multiply
    64,745,651.60x = 97,104,480.60 × 28,353,971.60
  4. Step 4: Simplify right side
    64,745,651.60x = 2,753,297,685,165,151
  5. Step 5: Solve for x
    x = 2,753,297,685,165,151/64,745,651.60
  6. Step 6: Final answer
    x = 42,524,827.80

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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.