Home / 77,112,008.30-115,668,012.45-33,958,999.10

Finding the Fourth Proportional to 77,112,008.30, 115,668,012.45 and 33,958,999.10

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Solution

The fourth proportional to 77,112,008.30, 115,668,012.45 and 33,958,999.10 is: 50,938,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,112,008.30 : 115,668,012.45 = 33,958,999.10 : x
  2. Step 2: Convert to fraction form
    77,112,008.30/115,668,012.45 = 33,958,999.10/x
  3. Step 3: Cross multiply
    77,112,008.30x = 115,668,012.45 × 33,958,999.10
  4. Step 4: Simplify right side
    77,112,008.30x = 3,927,969,930,688,339
  5. Step 5: Solve for x
    x = 3,927,969,930,688,339/77,112,008.30
  6. Step 6: Final answer
    x = 50,938,498.65

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Double scale
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Similar ratio
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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.