Home / 135,467,034.70-186,949,646.80-75,929,431.22

Finding the Fourth Proportional to 135,467,034.70, 186,949,646.80 and 75,929,431.22

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Solution

The fourth proportional to 135,467,034.70, 186,949,646.80 and 75,929,431.22 is: 104,785,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,467,034.70 : 186,949,646.80 = 75,929,431.22 : x
  2. Step 2: Convert to fraction form
    135,467,034.70/186,949,646.80 = 75,929,431.22/x
  3. Step 3: Cross multiply
    135,467,034.70x = 186,949,646.80 × 75,929,431.22
  4. Step 4: Simplify right side
    135,467,034.70x = 14,194,980,348,303,894
  5. Step 5: Solve for x
    x = 14,194,980,348,303,894/135,467,034.70
  6. Step 6: Final answer
    x = 104,785,495.45

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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.