Home / 71,828,543.17-107,742,815.67-17,241,128.56

Finding the Fourth Proportional to 71,828,543.17, 107,742,815.67 and 17,241,128.56

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Solution

The fourth proportional to 71,828,543.17, 107,742,815.67 and 17,241,128.56 is: 25,861,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,828,543.17 : 107,742,815.67 = 17,241,128.56 : x
  2. Step 2: Convert to fraction form
    71,828,543.17/107,742,815.67 = 17,241,128.56/x
  3. Step 3: Cross multiply
    71,828,543.17x = 107,742,815.67 × 17,241,128.56
  4. Step 4: Simplify right side
    71,828,543.17x = 1,857,607,736,382,852.50
  5. Step 5: Solve for x
    x = 1,857,607,736,382,852.50/71,828,543.17
  6. Step 6: Final answer
    x = 25,861,693.06

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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.