Home / 112,331,531.20-168,497,296.80-63,790,628.80

Finding the Fourth Proportional to 112,331,531.20, 168,497,296.80 and 63,790,628.80

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Solution

The fourth proportional to 112,331,531.20, 168,497,296.80 and 63,790,628.80 is: 95,685,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331,531.20 : 168,497,296.80 = 63,790,628.80 : x
  2. Step 2: Convert to fraction form
    112,331,531.20/168,497,296.80 = 63,790,628.80/x
  3. Step 3: Cross multiply
    112,331,531.20x = 168,497,296.80 × 63,790,628.80
  4. Step 4: Simplify right side
    112,331,531.20x = 10,748,548,513,972,228
  5. Step 5: Solve for x
    x = 10,748,548,513,972,228/112,331,531.20
  6. Step 6: Final answer
    x = 95,685,943.20

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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.