Home / 186,624,745.20-279,937,117.80-141,275,113.20

Finding the Fourth Proportional to 186,624,745.20, 279,937,117.80 and 141,275,113.20

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Solution

The fourth proportional to 186,624,745.20, 279,937,117.80 and 141,275,113.20 is: 211,912,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,745.20 : 279,937,117.80 = 141,275,113.20 : x
  2. Step 2: Convert to fraction form
    186,624,745.20/279,937,117.80 = 141,275,113.20/x
  3. Step 3: Cross multiply
    186,624,745.20x = 279,937,117.80 × 141,275,113.20
  4. Step 4: Simplify right side
    186,624,745.20x = 39,548,148,006,076,736
  5. Step 5: Solve for x
    x = 39,548,148,006,076,736/186,624,745.20
  6. Step 6: Final answer
    x = 211,912,669.80

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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.