Home / 126,352,165.42-190,390,694.32-103,827,674.28

Finding the Fourth Proportional to 126,352,165.42, 190,390,694.32 and 103,827,674.28

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Solution

The fourth proportional to 126,352,165.42, 190,390,694.32 and 103,827,674.28 is: 156,450,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,352,165.42 : 190,390,694.32 = 103,827,674.28 : x
  2. Step 2: Convert to fraction form
    126,352,165.42/190,390,694.32 = 103,827,674.28/x
  3. Step 3: Cross multiply
    126,352,165.42x = 190,390,694.32 × 103,827,674.28
  4. Step 4: Simplify right side
    126,352,165.42x = 19,767,822,995,540,436
  5. Step 5: Solve for x
    x = 19,767,822,995,540,436/126,352,165.42
  6. Step 6: Final answer
    x = 156,450,211.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.