Home / 118,335,819.69-163,300,298.36-66,125,284.38

Finding the Fourth Proportional to 118,335,819.69, 163,300,298.36 and 66,125,284.38

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Solution

The fourth proportional to 118,335,819.69, 163,300,298.36 and 66,125,284.38 is: 91,251,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,335,819.69 : 163,300,298.36 = 66,125,284.38 : x
  2. Step 2: Convert to fraction form
    118,335,819.69/163,300,298.36 = 66,125,284.38/x
  3. Step 3: Cross multiply
    118,335,819.69x = 163,300,298.36 × 66,125,284.38
  4. Step 4: Simplify right side
    118,335,819.69x = 10,798,278,668,063,220
  5. Step 5: Solve for x
    x = 10,798,278,668,063,220/118,335,819.69
  6. Step 6: Final answer
    x = 91,251,141.85

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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.