Home / 93,187,926.10-139,781,889.11-28,491,731.25

Finding the Fourth Proportional to 93,187,926.10, 139,781,889.11 and 28,491,731.25

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Solution

The fourth proportional to 93,187,926.10, 139,781,889.11 and 28,491,731.25 is: 42,737,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,187,926.10 : 139,781,889.11 = 28,491,731.25 : x
  2. Step 2: Convert to fraction form
    93,187,926.10/139,781,889.11 = 28,491,731.25/x
  3. Step 3: Cross multiply
    93,187,926.10x = 139,781,889.11 × 28,491,731.25
  4. Step 4: Simplify right side
    93,187,926.10x = 3,982,628,017,298,053.50
  5. Step 5: Solve for x
    x = 3,982,628,017,298,053.50/93,187,926.10
  6. Step 6: Final answer
    x = 42,737,596.85

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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.