Home / 309,384,420.84-464,076,754.92-76,219,668.36

Finding the Fourth Proportional to 309,384,420.84, 464,076,754.92 and 76,219,668.36

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Solution

The fourth proportional to 309,384,420.84, 464,076,754.92 and 76,219,668.36 is: 114,329,533.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,384,420.84 : 464,076,754.92 = 76,219,668.36 : x
  2. Step 2: Convert to fraction form
    309,384,420.84/464,076,754.92 = 76,219,668.36/x
  3. Step 3: Cross multiply
    309,384,420.84x = 464,076,754.92 × 76,219,668.36
  4. Step 4: Simplify right side
    309,384,420.84x = 35,371,776,353,587,400
  5. Step 5: Solve for x
    x = 35,371,776,353,587,400/309,384,420.84
  6. Step 6: Final answer
    x = 114,329,533.00

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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.