Home / 125,216,440.47-187,633,108.67-66,932,409.33

Finding the Fourth Proportional to 125,216,440.47, 187,633,108.67 and 66,932,409.33

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Solution

The fourth proportional to 125,216,440.47, 187,633,108.67 and 66,932,409.33 is: 100,296,222.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,216,440.47 : 187,633,108.67 = 66,932,409.33 : x
  2. Step 2: Convert to fraction form
    125,216,440.47/187,633,108.67 = 66,932,409.33/x
  3. Step 3: Cross multiply
    125,216,440.47x = 187,633,108.67 × 66,932,409.33
  4. Step 4: Simplify right side
    125,216,440.47x = 12,558,736,033,026,148
  5. Step 5: Solve for x
    x = 12,558,736,033,026,148/125,216,440.47
  6. Step 6: Final answer
    x = 100,296,222.97

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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.