Home / 70,878,051.21-106,323,078.92-19,760,119.23

Finding the Fourth Proportional to 70,878,051.21, 106,323,078.92 and 19,760,119.23

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Solution

The fourth proportional to 70,878,051.21, 106,323,078.92 and 19,760,119.23 is: 29,641,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,878,051.21 : 106,323,078.92 = 19,760,119.23 : x
  2. Step 2: Convert to fraction form
    70,878,051.21/106,323,078.92 = 19,760,119.23/x
  3. Step 3: Cross multiply
    70,878,051.21x = 106,323,078.92 × 19,760,119.23
  4. Step 4: Simplify right side
    70,878,051.21x = 2,100,956,716,261,099.25
  5. Step 5: Solve for x
    x = 2,100,956,716,261,099.25/70,878,051.21
  6. Step 6: Final answer
    x = 29,641,852.17

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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.