Home / 220,018,343.80-303,607,541.92-127,204,834

Finding the Fourth Proportional to 220,018,343.80, 303,607,541.92 and 127,204,834

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Solution

The fourth proportional to 220,018,343.80, 303,607,541.92 and 127,204,834 is: 175,532,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,018,343.80 : 303,607,541.92 = 127,204,834 : x
  2. Step 2: Convert to fraction form
    220,018,343.80/303,607,541.92 = 127,204,834/x
  3. Step 3: Cross multiply
    220,018,343.80x = 303,607,541.92 × 127,204,834
  4. Step 4: Simplify right side
    220,018,343.80x = 38,620,346,971,081,640
  5. Step 5: Solve for x
    x = 38,620,346,971,081,640/220,018,343.80
  6. Step 6: Final answer
    x = 175,532,395.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.