Home / 268,786,807.06-402,852,662.42-139,323,042.58

Finding the Fourth Proportional to 268,786,807.06, 402,852,662.42 and 139,323,042.58

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Solution

The fourth proportional to 268,786,807.06, 402,852,662.42 and 139,323,042.58 is: 208,814,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,786,807.06 : 402,852,662.42 = 139,323,042.58 : x
  2. Step 2: Convert to fraction form
    268,786,807.06/402,852,662.42 = 139,323,042.58/x
  3. Step 3: Cross multiply
    268,786,807.06x = 402,852,662.42 × 139,323,042.58
  4. Step 4: Simplify right side
    268,786,807.06x = 56,126,658,639,808,032
  5. Step 5: Solve for x
    x = 56,126,658,639,808,032/268,786,807.06
  6. Step 6: Final answer
    x = 208,814,782.44

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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.