Home / 45,077,336.16-67,618,832.64-12,731,771.36

Finding the Fourth Proportional to 45,077,336.16, 67,618,832.64 and 12,731,771.36

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Solution

The fourth proportional to 45,077,336.16, 67,618,832.64 and 12,731,771.36 is: 19,098,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,077,336.16 : 67,618,832.64 = 12,731,771.36 : x
  2. Step 2: Convert to fraction form
    45,077,336.16/67,618,832.64 = 12,731,771.36/x
  3. Step 3: Cross multiply
    45,077,336.16x = 67,618,832.64 × 12,731,771.36
  4. Step 4: Simplify right side
    45,077,336.16x = 860,907,516,802,585.12
  5. Step 5: Solve for x
    x = 860,907,516,802,585.12/45,077,336.16
  6. Step 6: Final answer
    x = 19,098,455.90

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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.