Home / 105,015,040.25-144,916,956.65-57,971,103.31

Finding the Fourth Proportional to 105,015,040.25, 144,916,956.65 and 57,971,103.31

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Solution

The fourth proportional to 105,015,040.25, 144,916,956.65 and 57,971,103.31 is: 79,998,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,015,040.25 : 144,916,956.65 = 57,971,103.31 : x
  2. Step 2: Convert to fraction form
    105,015,040.25/144,916,956.65 = 57,971,103.31/x
  3. Step 3: Cross multiply
    105,015,040.25x = 144,916,956.65 × 57,971,103.31
  4. Step 4: Simplify right side
    105,015,040.25x = 8,400,995,865,110,577
  5. Step 5: Solve for x
    x = 8,400,995,865,110,577/105,015,040.25
  6. Step 6: Final answer
    x = 79,998,025.47

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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.