Home / 93,470,279.13-140,080,090.96-72,745,740.88

Finding the Fourth Proportional to 93,470,279.13, 140,080,090.96 and 72,745,740.88

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Solution

The fourth proportional to 93,470,279.13, 140,080,090.96 and 72,745,740.88 is: 109,021,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,470,279.13 : 140,080,090.96 = 72,745,740.88 : x
  2. Step 2: Convert to fraction form
    93,470,279.13/140,080,090.96 = 72,745,740.88/x
  3. Step 3: Cross multiply
    93,470,279.13x = 140,080,090.96 × 72,745,740.88
  4. Step 4: Simplify right side
    93,470,279.13x = 10,190,229,999,542,114
  5. Step 5: Solve for x
    x = 10,190,229,999,542,114/93,470,279.13
  6. Step 6: Final answer
    x = 109,021,071.66

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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.