Home / 115,742,005.86-174,305,862.31-105,410,792.82

Finding the Fourth Proportional to 115,742,005.86, 174,305,862.31 and 105,410,792.82

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Solution

The fourth proportional to 115,742,005.86, 174,305,862.31 and 105,410,792.82 is: 158,747,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,742,005.86 : 174,305,862.31 = 105,410,792.82 : x
  2. Step 2: Convert to fraction form
    115,742,005.86/174,305,862.31 = 105,410,792.82/x
  3. Step 3: Cross multiply
    115,742,005.86x = 174,305,862.31 × 105,410,792.82
  4. Step 4: Simplify right side
    115,742,005.86x = 18,373,719,139,270,856
  5. Step 5: Solve for x
    x = 18,373,719,139,270,856/115,742,005.86
  6. Step 6: Final answer
    x = 158,747,198.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.