Home / 189,626,337.90-261,705,583.53-107,125,437.06

Finding the Fourth Proportional to 189,626,337.90, 261,705,583.53 and 107,125,437.06

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Solution

The fourth proportional to 189,626,337.90, 261,705,583.53 and 107,125,437.06 is: 147,845,100.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,626,337.90 : 261,705,583.53 = 107,125,437.06 : x
  2. Step 2: Convert to fraction form
    189,626,337.90/261,705,583.53 = 107,125,437.06/x
  3. Step 3: Cross multiply
    189,626,337.90x = 261,705,583.53 × 107,125,437.06
  4. Step 4: Simplify right side
    189,626,337.90x = 28,035,325,016,693,588
  5. Step 5: Solve for x
    x = 28,035,325,016,693,588/189,626,337.90
  6. Step 6: Final answer
    x = 147,845,100.67

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Why These Related Problems?

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