Home / 116,659,897.92-161,000,071.20-64,453,492.80

Finding the Fourth Proportional to 116,659,897.92, 161,000,071.20 and 64,453,492.80

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Solution

The fourth proportional to 116,659,897.92, 161,000,071.20 and 64,453,492.80 is: 88,951,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,659,897.92 : 161,000,071.20 = 64,453,492.80 : x
  2. Step 2: Convert to fraction form
    116,659,897.92/161,000,071.20 = 64,453,492.80/x
  3. Step 3: Cross multiply
    116,659,897.92x = 161,000,071.20 × 64,453,492.80
  4. Step 4: Simplify right side
    116,659,897.92x = 10,377,016,929,888,686
  5. Step 5: Solve for x
    x = 10,377,016,929,888,686/116,659,897.92
  6. Step 6: Final answer
    x = 88,951,020.14

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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.