Home / 78,222,924.67-117,345,143.05-29,034,598.50

Finding the Fourth Proportional to 78,222,924.67, 117,345,143.05 and 29,034,598.50

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Solution

The fourth proportional to 78,222,924.67, 117,345,143.05 and 29,034,598.50 is: 43,555,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,222,924.67 : 117,345,143.05 = 29,034,598.50 : x
  2. Step 2: Convert to fraction form
    78,222,924.67/117,345,143.05 = 29,034,598.50/x
  3. Step 3: Cross multiply
    78,222,924.67x = 117,345,143.05 × 29,034,598.50
  4. Step 4: Simplify right side
    78,222,924.67x = 3,407,069,114,472,403.50
  5. Step 5: Solve for x
    x = 3,407,069,114,472,403.50/78,222,924.67
  6. Step 6: Final answer
    x = 43,555,890.15

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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.