Home / 93,144,418.80-139,562,168.76-56,642,393.04

Finding the Fourth Proportional to 93,144,418.80, 139,562,168.76 and 56,642,393.04

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Solution

The fourth proportional to 93,144,418.80, 139,562,168.76 and 56,642,393.04 is: 84,869,660.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,144,418.80 : 139,562,168.76 = 56,642,393.04 : x
  2. Step 2: Convert to fraction form
    93,144,418.80/139,562,168.76 = 56,642,393.04/x
  3. Step 3: Cross multiply
    93,144,418.80x = 139,562,168.76 × 56,642,393.04
  4. Step 4: Simplify right side
    93,144,418.80x = 7,905,135,216,418,729
  5. Step 5: Solve for x
    x = 7,905,135,216,418,729/93,144,418.80
  6. Step 6: Final answer
    x = 84,869,660.67

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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.