Home / 93,015,872.10-139,523,808.15-28,319,163.30

Finding the Fourth Proportional to 93,015,872.10, 139,523,808.15 and 28,319,163.30

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Solution

The fourth proportional to 93,015,872.10, 139,523,808.15 and 28,319,163.30 is: 42,478,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,015,872.10 : 139,523,808.15 = 28,319,163.30 : x
  2. Step 2: Convert to fraction form
    93,015,872.10/139,523,808.15 = 28,319,163.30/x
  3. Step 3: Cross multiply
    93,015,872.10x = 139,523,808.15 × 28,319,163.30
  4. Step 4: Simplify right side
    93,015,872.10x = 3,951,197,507,237,721
  5. Step 5: Solve for x
    x = 3,951,197,507,237,721/93,015,872.10
  6. Step 6: Final answer
    x = 42,478,744.95

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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.