Home / 71,936,669.60-107,905,004.40-64,378,397.60

Finding the Fourth Proportional to 71,936,669.60, 107,905,004.40 and 64,378,397.60

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Solution

The fourth proportional to 71,936,669.60, 107,905,004.40 and 64,378,397.60 is: 96,567,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,936,669.60 : 107,905,004.40 = 64,378,397.60 : x
  2. Step 2: Convert to fraction form
    71,936,669.60/107,905,004.40 = 64,378,397.60/x
  3. Step 3: Cross multiply
    71,936,669.60x = 107,905,004.40 × 64,378,397.60
  4. Step 4: Simplify right side
    71,936,669.60x = 6,946,751,276,292,950
  5. Step 5: Solve for x
    x = 6,946,751,276,292,950/71,936,669.60
  6. Step 6: Final answer
    x = 96,567,596.40

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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.