Home / 252,761,315.70-379,141,973.55-99,412,374.90

Finding the Fourth Proportional to 252,761,315.70, 379,141,973.55 and 99,412,374.90

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Solution

The fourth proportional to 252,761,315.70, 379,141,973.55 and 99,412,374.90 is: 149,118,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,761,315.70 : 379,141,973.55 = 99,412,374.90 : x
  2. Step 2: Convert to fraction form
    252,761,315.70/379,141,973.55 = 99,412,374.90/x
  3. Step 3: Cross multiply
    252,761,315.70x = 379,141,973.55 × 99,412,374.90
  4. Step 4: Simplify right side
    252,761,315.70x = 37,691,404,014,878,488
  5. Step 5: Solve for x
    x = 37,691,404,014,878,488/252,761,315.70
  6. Step 6: Final answer
    x = 149,118,562.35

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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.