Home / 116,689,213.93-161,031,062.05-64,477,792.88

Finding the Fourth Proportional to 116,689,213.93, 161,031,062.05 and 64,477,792.88

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Solution

The fourth proportional to 116,689,213.93, 161,031,062.05 and 64,477,792.88 is: 88,979,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,689,213.93 : 161,031,062.05 = 64,477,792.88 : x
  2. Step 2: Convert to fraction form
    116,689,213.93/161,031,062.05 = 64,477,792.88/x
  3. Step 3: Cross multiply
    116,689,213.93x = 161,031,062.05 × 64,477,792.88
  4. Step 4: Simplify right side
    116,689,213.93x = 10,382,927,467,012,654
  5. Step 5: Solve for x
    x = 10,382,927,467,012,654/116,689,213.93
  6. Step 6: Final answer
    x = 88,979,324.80

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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.