Home / 93,442,564.80-140,163,847.20-55,178,812.80

Finding the Fourth Proportional to 93,442,564.80, 140,163,847.20 and 55,178,812.80

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Solution

The fourth proportional to 93,442,564.80, 140,163,847.20 and 55,178,812.80 is: 82,768,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,442,564.80 : 140,163,847.20 = 55,178,812.80 : x
  2. Step 2: Convert to fraction form
    93,442,564.80/140,163,847.20 = 55,178,812.80/x
  3. Step 3: Cross multiply
    93,442,564.80x = 140,163,847.20 × 55,178,812.80
  4. Step 4: Simplify right side
    93,442,564.80x = 7,734,074,685,976,603
  5. Step 5: Solve for x
    x = 7,734,074,685,976,603/93,442,564.80
  6. Step 6: Final answer
    x = 82,768,219.20

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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.