Home / 106,511,575.80-159,767,363.70-70,231,870.20

Finding the Fourth Proportional to 106,511,575.80, 159,767,363.70 and 70,231,870.20

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Solution

The fourth proportional to 106,511,575.80, 159,767,363.70 and 70,231,870.20 is: 105,347,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,511,575.80 : 159,767,363.70 = 70,231,870.20 : x
  2. Step 2: Convert to fraction form
    106,511,575.80/159,767,363.70 = 70,231,870.20/x
  3. Step 3: Cross multiply
    106,511,575.80x = 159,767,363.70 × 70,231,870.20
  4. Step 4: Simplify right side
    106,511,575.80x = 11,220,760,749,574,592
  5. Step 5: Solve for x
    x = 11,220,760,749,574,592/106,511,575.80
  6. Step 6: Final answer
    x = 105,347,805.30

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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.