Home / 121,025,094.30-180,593,715.78-107,981,580.30

Finding the Fourth Proportional to 121,025,094.30, 180,593,715.78 and 107,981,580.30

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Solution

The fourth proportional to 121,025,094.30, 180,593,715.78 and 107,981,580.30 is: 161,130,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,025,094.30 : 180,593,715.78 = 107,981,580.30 : x
  2. Step 2: Convert to fraction form
    121,025,094.30/180,593,715.78 = 107,981,580.30/x
  3. Step 3: Cross multiply
    121,025,094.30x = 180,593,715.78 × 107,981,580.30
  4. Step 4: Simplify right side
    121,025,094.30x = 19,500,794,822,173,448
  5. Step 5: Solve for x
    x = 19,500,794,822,173,448/121,025,094.30
  6. Step 6: Final answer
    x = 161,130,176.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.