Home / 76,161,434.63-114,240,823.25-18,654,204.02

Finding the Fourth Proportional to 76,161,434.63, 114,240,823.25 and 18,654,204.02

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Solution

The fourth proportional to 76,161,434.63, 114,240,823.25 and 18,654,204.02 is: 27,980,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,161,434.63 : 114,240,823.25 = 18,654,204.02 : x
  2. Step 2: Convert to fraction form
    76,161,434.63/114,240,823.25 = 18,654,204.02/x
  3. Step 3: Cross multiply
    76,161,434.63x = 114,240,823.25 × 18,654,204.02
  4. Step 4: Simplify right side
    76,161,434.63x = 2,131,071,623,653,784.50
  5. Step 5: Solve for x
    x = 2,131,071,623,653,784.50/76,161,434.63
  6. Step 6: Final answer
    x = 27,980,980.59

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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.