Home / 131,328,430.80-196,992,646.20-124,274,043.60

Finding the Fourth Proportional to 131,328,430.80, 196,992,646.20 and 124,274,043.60

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Solution

The fourth proportional to 131,328,430.80, 196,992,646.20 and 124,274,043.60 is: 186,411,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,430.80 : 196,992,646.20 = 124,274,043.60 : x
  2. Step 2: Convert to fraction form
    131,328,430.80/196,992,646.20 = 124,274,043.60/x
  3. Step 3: Cross multiply
    131,328,430.80x = 196,992,646.20 × 124,274,043.60
  4. Step 4: Simplify right side
    131,328,430.80x = 24,481,072,702,738,172
  5. Step 5: Solve for x
    x = 24,481,072,702,738,172/131,328,430.80
  6. Step 6: Final answer
    x = 186,411,065.40

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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.