Home / 93,315,874.80-139,973,812.20-28,629,663.60

Finding the Fourth Proportional to 93,315,874.80, 139,973,812.20 and 28,629,663.60

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Solution

The fourth proportional to 93,315,874.80, 139,973,812.20 and 28,629,663.60 is: 42,944,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,315,874.80 : 139,973,812.20 = 28,629,663.60 : x
  2. Step 2: Convert to fraction form
    93,315,874.80/139,973,812.20 = 28,629,663.60/x
  3. Step 3: Cross multiply
    93,315,874.80x = 139,973,812.20 × 28,629,663.60
  4. Step 4: Simplify right side
    93,315,874.80x = 4,007,403,156,095,576
  5. Step 5: Solve for x
    x = 4,007,403,156,095,576/93,315,874.80
  6. Step 6: Final answer
    x = 42,944,495.40

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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.