Home / 78,674,929.16-117,984,050.19-33,240,266.60

Finding the Fourth Proportional to 78,674,929.16, 117,984,050.19 and 33,240,266.60

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Solution

The fourth proportional to 78,674,929.16, 117,984,050.19 and 33,240,266.60 is: 49,848,424.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,674,929.16 : 117,984,050.19 = 33,240,266.60 : x
  2. Step 2: Convert to fraction form
    78,674,929.16/117,984,050.19 = 33,240,266.60/x
  3. Step 3: Cross multiply
    78,674,929.16x = 117,984,050.19 × 33,240,266.60
  4. Step 4: Simplify right side
    78,674,929.16x = 3,921,821,282,273,460
  5. Step 5: Solve for x
    x = 3,921,821,282,273,460/78,674,929.16
  6. Step 6: Final answer
    x = 49,848,424.71

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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.