Home / 262,944,059.20-394,416,088.80-142,011,707.20

Finding the Fourth Proportional to 262,944,059.20, 394,416,088.80 and 142,011,707.20

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Solution

The fourth proportional to 262,944,059.20, 394,416,088.80 and 142,011,707.20 is: 213,017,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,944,059.20 : 394,416,088.80 = 142,011,707.20 : x
  2. Step 2: Convert to fraction form
    262,944,059.20/394,416,088.80 = 142,011,707.20/x
  3. Step 3: Cross multiply
    262,944,059.20x = 394,416,088.80 × 142,011,707.20
  4. Step 4: Simplify right side
    262,944,059.20x = 56,011,702,117,634,800
  5. Step 5: Solve for x
    x = 56,011,702,117,634,800/262,944,059.20
  6. Step 6: Final answer
    x = 213,017,560.80

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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.