Home / 151,903,343.22-209,626,424.24-82,289,011.83

Finding the Fourth Proportional to 151,903,343.22, 209,626,424.24 and 82,289,011.83

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Solution

The fourth proportional to 151,903,343.22, 209,626,424.24 and 82,289,011.83 is: 113,558,733.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,903,343.22 : 209,626,424.24 = 82,289,011.83 : x
  2. Step 2: Convert to fraction form
    151,903,343.22/209,626,424.24 = 82,289,011.83/x
  3. Step 3: Cross multiply
    151,903,343.22x = 209,626,424.24 × 82,289,011.83
  4. Step 4: Simplify right side
    151,903,343.22x = 17,249,951,304,165,960
  5. Step 5: Solve for x
    x = 17,249,951,304,165,960/151,903,343.22
  6. Step 6: Final answer
    x = 113,558,733.72

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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.