Home / 189,626,140.65-261,705,311.33-107,125,239.81

Finding the Fourth Proportional to 189,626,140.65, 261,705,311.33 and 107,125,239.81

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Solution

The fourth proportional to 189,626,140.65, 261,705,311.33 and 107,125,239.81 is: 147,844,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,626,140.65 : 261,705,311.33 = 107,125,239.81 : x
  2. Step 2: Convert to fraction form
    189,626,140.65/261,705,311.33 = 107,125,239.81/x
  3. Step 3: Cross multiply
    189,626,140.65x = 261,705,311.33 × 107,125,239.81
  4. Step 4: Simplify right side
    189,626,140.65x = 28,035,244,235,241,332
  5. Step 5: Solve for x
    x = 28,035,244,235,241,332/189,626,140.65
  6. Step 6: Final answer
    x = 147,844,828.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.