Home / 124,525,242.20-186,867,579.45-72,709,744.70

Finding the Fourth Proportional to 124,525,242.20, 186,867,579.45 and 72,709,744.70

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Solution

The fourth proportional to 124,525,242.20, 186,867,579.45 and 72,709,744.70 is: 109,111,162.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525,242.20 : 186,867,579.45 = 72,709,744.70 : x
  2. Step 2: Convert to fraction form
    124,525,242.20/186,867,579.45 = 72,709,744.70/x
  3. Step 3: Cross multiply
    124,525,242.20x = 186,867,579.45 × 72,709,744.70
  4. Step 4: Simplify right side
    124,525,242.20x = 13,587,093,994,516,466
  5. Step 5: Solve for x
    x = 13,587,093,994,516,466/124,525,242.20
  6. Step 6: Final answer
    x = 109,111,162.96

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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.