Home / 105,759,890.40-158,303,912.40-75,526,802.40

Finding the Fourth Proportional to 105,759,890.40, 158,303,912.40 and 75,526,802.40

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Solution

The fourth proportional to 105,759,890.40, 158,303,912.40 and 75,526,802.40 is: 113,050,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,759,890.40 : 158,303,912.40 = 75,526,802.40 : x
  2. Step 2: Convert to fraction form
    105,759,890.40/158,303,912.40 = 75,526,802.40/x
  3. Step 3: Cross multiply
    105,759,890.40x = 158,303,912.40 × 75,526,802.40
  4. Step 4: Simplify right side
    105,759,890.40x = 11,956,188,310,981,712
  5. Step 5: Solve for x
    x = 11,956,188,310,981,712/105,759,890.40
  6. Step 6: Final answer
    x = 113,050,309.20

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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.