Home / 126,846,905.40-190,270,358.10-75,828,569.40

Finding the Fourth Proportional to 126,846,905.40, 190,270,358.10 and 75,828,569.40

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Solution

The fourth proportional to 126,846,905.40, 190,270,358.10 and 75,828,569.40 is: 113,742,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,846,905.40 : 190,270,358.10 = 75,828,569.40 : x
  2. Step 2: Convert to fraction form
    126,846,905.40/190,270,358.10 = 75,828,569.40/x
  3. Step 3: Cross multiply
    126,846,905.40x = 190,270,358.10 × 75,828,569.40
  4. Step 4: Simplify right side
    126,846,905.40x = 14,427,929,053,948,702
  5. Step 5: Solve for x
    x = 14,427,929,053,948,702/126,846,905.40
  6. Step 6: Final answer
    x = 113,742,854.10

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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.