Home / 125,300,540.40-187,950,810.60-91,288,316.40

Finding the Fourth Proportional to 125,300,540.40, 187,950,810.60 and 91,288,316.40

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Solution

The fourth proportional to 125,300,540.40, 187,950,810.60 and 91,288,316.40 is: 136,932,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,300,540.40 : 187,950,810.60 = 91,288,316.40 : x
  2. Step 2: Convert to fraction form
    125,300,540.40/187,950,810.60 = 91,288,316.40/x
  3. Step 3: Cross multiply
    125,300,540.40x = 187,950,810.60 × 91,288,316.40
  4. Step 4: Simplify right side
    125,300,540.40x = 17,157,713,065,689,274
  5. Step 5: Solve for x
    x = 17,157,713,065,689,274/125,300,540.40
  6. Step 6: Final answer
    x = 136,932,474.60

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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.