Home / 78,343,225.20-117,553,458.60-35,242,930.80

Finding the Fourth Proportional to 78,343,225.20, 117,553,458.60 and 35,242,930.80

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Solution

The fourth proportional to 78,343,225.20, 117,553,458.60 and 35,242,930.80 is: 52,881,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,343,225.20 : 117,553,458.60 = 35,242,930.80 : x
  2. Step 2: Convert to fraction form
    78,343,225.20/117,553,458.60 = 35,242,930.80/x
  3. Step 3: Cross multiply
    78,343,225.20x = 117,553,458.60 × 35,242,930.80
  4. Step 4: Simplify right side
    78,343,225.20x = 4,142,928,406,740,464.50
  5. Step 5: Solve for x
    x = 4,142,928,406,740,464.50/78,343,225.20
  6. Step 6: Final answer
    x = 52,881,769.88

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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.