Home / 106,028,648.10-159,042,972.15-78,818,868.90

Finding the Fourth Proportional to 106,028,648.10, 159,042,972.15 and 78,818,868.90

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Solution

The fourth proportional to 106,028,648.10, 159,042,972.15 and 78,818,868.90 is: 118,228,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,028,648.10 : 159,042,972.15 = 78,818,868.90 : x
  2. Step 2: Convert to fraction form
    106,028,648.10/159,042,972.15 = 78,818,868.90/x
  3. Step 3: Cross multiply
    106,028,648.10x = 159,042,972.15 × 78,818,868.90
  4. Step 4: Simplify right side
    106,028,648.10x = 12,535,587,171,357,202
  5. Step 5: Solve for x
    x = 12,535,587,171,357,202/106,028,648.10
  6. Step 6: Final answer
    x = 118,228,303.35

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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.