Home / 116,992,181.40-161,447,238.64-64,780,095.72

Finding the Fourth Proportional to 116,992,181.40, 161,447,238.64 and 64,780,095.72

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Solution

The fourth proportional to 116,992,181.40, 161,447,238.64 and 64,780,095.72 is: 89,395,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,992,181.40 : 161,447,238.64 = 64,780,095.72 : x
  2. Step 2: Convert to fraction form
    116,992,181.40/161,447,238.64 = 64,780,095.72/x
  3. Step 3: Cross multiply
    116,992,181.40x = 161,447,238.64 × 64,780,095.72
  4. Step 4: Simplify right side
    116,992,181.40x = 10,458,567,572,828,882
  5. Step 5: Solve for x
    x = 10,458,567,572,828,882/116,992,181.40
  6. Step 6: Final answer
    x = 89,395,440.34

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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.