Home / 120,013,594.40-165,619,555.26-65,009,450.36

Finding the Fourth Proportional to 120,013,594.40, 165,619,555.26 and 65,009,450.36

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Solution

The fourth proportional to 120,013,594.40, 165,619,555.26 and 65,009,450.36 is: 89,713,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,013,594.40 : 165,619,555.26 = 65,009,450.36 : x
  2. Step 2: Convert to fraction form
    120,013,594.40/165,619,555.26 = 65,009,450.36/x
  3. Step 3: Cross multiply
    120,013,594.40x = 165,619,555.26 × 65,009,450.36
  4. Step 4: Simplify right side
    120,013,594.40x = 10,766,836,256,320,246
  5. Step 5: Solve for x
    x = 10,766,836,256,320,246/120,013,594.40
  6. Step 6: Final answer
    x = 89,713,472.13

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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.