Home / 128,492,470.40-192,738,700.20-37,616,059.04

Finding the Fourth Proportional to 128,492,470.40, 192,738,700.20 and 37,616,059.04

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Solution

The fourth proportional to 128,492,470.40, 192,738,700.20 and 37,616,059.04 is: 56,424,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,492,470.40 : 192,738,700.20 = 37,616,059.04 : x
  2. Step 2: Convert to fraction form
    128,492,470.40/192,738,700.20 = 37,616,059.04/x
  3. Step 3: Cross multiply
    128,492,470.40x = 192,738,700.20 × 37,616,059.04
  4. Step 4: Simplify right side
    128,492,470.40x = 7,250,070,326,016,059
  5. Step 5: Solve for x
    x = 7,250,070,326,016,059/128,492,470.40
  6. Step 6: Final answer
    x = 56,424,086.98

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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.