Home / 124,525,282.70-186,867,640.20-72,709,785.20

Finding the Fourth Proportional to 124,525,282.70, 186,867,640.20 and 72,709,785.20

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Solution

The fourth proportional to 124,525,282.70, 186,867,640.20 and 72,709,785.20 is: 109,111,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525,282.70 : 186,867,640.20 = 72,709,785.20 : x
  2. Step 2: Convert to fraction form
    124,525,282.70/186,867,640.20 = 72,709,785.20/x
  3. Step 3: Cross multiply
    124,525,282.70x = 186,867,640.20 × 72,709,785.20
  4. Step 4: Simplify right side
    124,525,282.70x = 13,587,105,979,772,884
  5. Step 5: Solve for x
    x = 13,587,105,979,772,884/124,525,282.70
  6. Step 6: Final answer
    x = 109,111,223.72

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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.