Home / 86,194,906.10-129,292,359.15-53,883,293.30

Finding the Fourth Proportional to 86,194,906.10, 129,292,359.15 and 53,883,293.30

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Solution

The fourth proportional to 86,194,906.10, 129,292,359.15 and 53,883,293.30 is: 80,824,939.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,194,906.10 : 129,292,359.15 = 53,883,293.30 : x
  2. Step 2: Convert to fraction form
    86,194,906.10/129,292,359.15 = 53,883,293.30/x
  3. Step 3: Cross multiply
    86,194,906.10x = 129,292,359.15 × 53,883,293.30
  4. Step 4: Simplify right side
    86,194,906.10x = 6,966,698,109,528,389
  5. Step 5: Solve for x
    x = 6,966,698,109,528,389/86,194,906.10
  6. Step 6: Final answer
    x = 80,824,939.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.