Home / 78,165,070.72-107,880,709.44-43,368,956.80

Finding the Fourth Proportional to 78,165,070.72, 107,880,709.44 and 43,368,956.80

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Solution

The fourth proportional to 78,165,070.72, 107,880,709.44 and 43,368,956.80 is: 59,856,324.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,165,070.72 : 107,880,709.44 = 43,368,956.80 : x
  2. Step 2: Convert to fraction form
    78,165,070.72/107,880,709.44 = 43,368,956.80/x
  3. Step 3: Cross multiply
    78,165,070.72x = 107,880,709.44 × 43,368,956.80
  4. Step 4: Simplify right side
    78,165,070.72x = 4,678,673,827,256,712
  5. Step 5: Solve for x
    x = 4,678,673,827,256,712/78,165,070.72
  6. Step 6: Final answer
    x = 59,856,324.37

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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.