Home / 106,454,929.40-159,682,394.10-72,442,705.40

Finding the Fourth Proportional to 106,454,929.40, 159,682,394.10 and 72,442,705.40

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Solution

The fourth proportional to 106,454,929.40, 159,682,394.10 and 72,442,705.40 is: 108,664,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,454,929.40 : 159,682,394.10 = 72,442,705.40 : x
  2. Step 2: Convert to fraction form
    106,454,929.40/159,682,394.10 = 72,442,705.40/x
  3. Step 3: Cross multiply
    106,454,929.40x = 159,682,394.10 × 72,442,705.40
  4. Step 4: Simplify right side
    106,454,929.40x = 11,567,824,633,352,998
  5. Step 5: Solve for x
    x = 11,567,824,633,352,998/106,454,929.40
  6. Step 6: Final answer
    x = 108,664,058.10

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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.