Home / 124,525,246.80-186,787,870.20-79,287,589.20

Finding the Fourth Proportional to 124,525,246.80, 186,787,870.20 and 79,287,589.20

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Solution

The fourth proportional to 124,525,246.80, 186,787,870.20 and 79,287,589.20 is: 118,931,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525,246.80 : 186,787,870.20 = 79,287,589.20 : x
  2. Step 2: Convert to fraction form
    124,525,246.80/186,787,870.20 = 79,287,589.20/x
  3. Step 3: Cross multiply
    124,525,246.80x = 186,787,870.20 × 79,287,589.20
  4. Step 4: Simplify right side
    124,525,246.80x = 14,809,959,919,960,522
  5. Step 5: Solve for x
    x = 14,809,959,919,960,522/124,525,246.80
  6. Step 6: Final answer
    x = 118,931,383.80

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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.