Home / 116,964,668.16-161,405,104.80-64,031,228.04

Finding the Fourth Proportional to 116,964,668.16, 161,405,104.80 and 64,031,228.04

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Solution

The fourth proportional to 116,964,668.16, 161,405,104.80 and 64,031,228.04 is: 88,359,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,964,668.16 : 161,405,104.80 = 64,031,228.04 : x
  2. Step 2: Convert to fraction form
    116,964,668.16/161,405,104.80 = 64,031,228.04/x
  3. Step 3: Cross multiply
    116,964,668.16x = 161,405,104.80 × 64,031,228.04
  4. Step 4: Simplify right side
    116,964,668.16x = 10,334,967,072,268,900
  5. Step 5: Solve for x
    x = 10,334,967,072,268,900/116,964,668.16
  6. Step 6: Final answer
    x = 88,359,734.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.