Home / 105,423,499.54-145,382,222.67-82,210,156.66

Finding the Fourth Proportional to 105,423,499.54, 145,382,222.67 and 82,210,156.66

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Solution

The fourth proportional to 105,423,499.54, 145,382,222.67 and 82,210,156.66 is: 113,370,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,423,499.54 : 145,382,222.67 = 82,210,156.66 : x
  2. Step 2: Convert to fraction form
    105,423,499.54/145,382,222.67 = 82,210,156.66/x
  3. Step 3: Cross multiply
    105,423,499.54x = 145,382,222.67 × 82,210,156.66
  4. Step 4: Simplify right side
    105,423,499.54x = 11,951,895,301,279,702
  5. Step 5: Solve for x
    x = 11,951,895,301,279,702/105,423,499.54
  6. Step 6: Final answer
    x = 113,370,314.53

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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.