Home / 261,981,664,733.20-361,534,694,532.36-141,687,602,898.40

Finding the Fourth Proportional to 261,981,664,733.20, 361,534,694,532.36 and 141,687,602,898.40

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Solution

The fourth proportional to 261,981,664,733.20, 361,534,694,532.36 and 141,687,602,898.40 is: 195,528,890,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,981,664,733.20 : 361,534,694,532.36 = 141,687,602,898.40 : x
  2. Step 2: Convert to fraction form
    261,981,664,733.20/361,534,694,532.36 = 141,687,602,898.40/x
  3. Step 3: Cross multiply
    261,981,664,733.20x = 361,534,694,532.36 × 141,687,602,898.40
  4. Step 4: Simplify right side
    261,981,664,733.20x = 51,224,984,232,895,367,348,224
  5. Step 5: Solve for x
    x = 51,224,984,232,895,367,348,224/261,981,664,733.20
  6. Step 6: Final answer
    x = 195,528,890,485.76

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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.