Home / 106,432,605.20-159,648,907.80-45,966,429.20

Finding the Fourth Proportional to 106,432,605.20, 159,648,907.80 and 45,966,429.20

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Solution

The fourth proportional to 106,432,605.20, 159,648,907.80 and 45,966,429.20 is: 68,949,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,432,605.20 : 159,648,907.80 = 45,966,429.20 : x
  2. Step 2: Convert to fraction form
    106,432,605.20/159,648,907.80 = 45,966,429.20/x
  3. Step 3: Cross multiply
    106,432,605.20x = 159,648,907.80 × 45,966,429.20
  4. Step 4: Simplify right side
    106,432,605.20x = 7,338,490,217,246,029
  5. Step 5: Solve for x
    x = 7,338,490,217,246,029/106,432,605.20
  6. Step 6: Final answer
    x = 68,949,643.80

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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.