Home / 98,028,998.70-146,724,633.45-76,346,205.90

Finding the Fourth Proportional to 98,028,998.70, 146,724,633.45 and 76,346,205.90

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Solution

The fourth proportional to 98,028,998.70, 146,724,633.45 and 76,346,205.90 is: 114,270,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,028,998.70 : 146,724,633.45 = 76,346,205.90 : x
  2. Step 2: Convert to fraction form
    98,028,998.70/146,724,633.45 = 76,346,205.90/x
  3. Step 3: Cross multiply
    98,028,998.70x = 146,724,633.45 × 76,346,205.90
  4. Step 4: Simplify right side
    98,028,998.70x = 11,201,869,075,975,728
  5. Step 5: Solve for x
    x = 11,201,869,075,975,728/98,028,998.70
  6. Step 6: Final answer
    x = 114,270,973.13

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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.