Home / 124,416,077.10-186,624,115.65-109,803,417.90

Finding the Fourth Proportional to 124,416,077.10, 186,624,115.65 and 109,803,417.90

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Solution

The fourth proportional to 124,416,077.10, 186,624,115.65 and 109,803,417.90 is: 164,705,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,077.10 : 186,624,115.65 = 109,803,417.90 : x
  2. Step 2: Convert to fraction form
    124,416,077.10/186,624,115.65 = 109,803,417.90/x
  3. Step 3: Cross multiply
    124,416,077.10x = 186,624,115.65 × 109,803,417.90
  4. Step 4: Simplify right side
    124,416,077.10x = 20,491,965,760,934,880
  5. Step 5: Solve for x
    x = 20,491,965,760,934,880/124,416,077.10
  6. Step 6: Final answer
    x = 164,705,126.85

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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.