Home / 135,742,837-187,323,540.42-73,862,109.40

Finding the Fourth Proportional to 135,742,837, 187,323,540.42 and 73,862,109.40

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Solution

The fourth proportional to 135,742,837, 187,323,540.42 and 73,862,109.40 is: 101,928,854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,742,837 : 187,323,540.42 = 73,862,109.40 : x
  2. Step 2: Convert to fraction form
    135,742,837/187,323,540.42 = 73,862,109.40/x
  3. Step 3: Cross multiply
    135,742,837x = 187,323,540.42 × 73,862,109.40
  4. Step 4: Simplify right side
    135,742,837x = 13,836,111,835,697,362
  5. Step 5: Solve for x
    x = 13,836,111,835,697,362/135,742,837
  6. Step 6: Final answer
    x = 101,928,854.16

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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.