Home / 108,630,953.72-149,906,152.85-61,591,191.72

Finding the Fourth Proportional to 108,630,953.72, 149,906,152.85 and 61,591,191.72

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Solution

The fourth proportional to 108,630,953.72, 149,906,152.85 and 61,591,191.72 is: 84,993,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,630,953.72 : 149,906,152.85 = 61,591,191.72 : x
  2. Step 2: Convert to fraction form
    108,630,953.72/149,906,152.85 = 61,591,191.72/x
  3. Step 3: Cross multiply
    108,630,953.72x = 149,906,152.85 × 61,591,191.72
  4. Step 4: Simplify right side
    108,630,953.72x = 9,232,898,599,884,018
  5. Step 5: Solve for x
    x = 9,232,898,599,884,018/108,630,953.72
  6. Step 6: Final answer
    x = 84,993,257.30

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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.