Home / 116,976,570.54-161,430,130.26-64,055,500.80

Finding the Fourth Proportional to 116,976,570.54, 161,430,130.26 and 64,055,500.80

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Solution

The fourth proportional to 116,976,570.54, 161,430,130.26 and 64,055,500.80 is: 88,397,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,976,570.54 : 161,430,130.26 = 64,055,500.80 : x
  2. Step 2: Convert to fraction form
    116,976,570.54/161,430,130.26 = 64,055,500.80/x
  3. Step 3: Cross multiply
    116,976,570.54x = 161,430,130.26 × 64,055,500.80
  4. Step 4: Simplify right side
    116,976,570.54x = 10,340,487,838,013,534
  5. Step 5: Solve for x
    x = 10,340,487,838,013,534/116,976,570.54
  6. Step 6: Final answer
    x = 88,397,939.78

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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.