Home / 263,552,445.40-395,328,668.10-72,076,221.40

Finding the Fourth Proportional to 263,552,445.40, 395,328,668.10 and 72,076,221.40

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Solution

The fourth proportional to 263,552,445.40, 395,328,668.10 and 72,076,221.40 is: 108,114,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,552,445.40 : 395,328,668.10 = 72,076,221.40 : x
  2. Step 2: Convert to fraction form
    263,552,445.40/395,328,668.10 = 72,076,221.40/x
  3. Step 3: Cross multiply
    263,552,445.40x = 395,328,668.10 × 72,076,221.40
  4. Step 4: Simplify right side
    263,552,445.40x = 28,493,796,607,742,720
  5. Step 5: Solve for x
    x = 28,493,796,607,742,720/263,552,445.40
  6. Step 6: Final answer
    x = 108,114,332.10

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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.