Home / 261,468,194.40-392,160,301.20-79,673,090.40

Finding the Fourth Proportional to 261,468,194.40, 392,160,301.20 and 79,673,090.40

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Solution

The fourth proportional to 261,468,194.40, 392,160,301.20 and 79,673,090.40 is: 119,496,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,468,194.40 : 392,160,301.20 = 79,673,090.40 : x
  2. Step 2: Convert to fraction form
    261,468,194.40/392,160,301.20 = 79,673,090.40/x
  3. Step 3: Cross multiply
    261,468,194.40x = 392,160,301.20 × 79,673,090.40
  4. Step 4: Simplify right side
    261,468,194.40x = 31,244,623,128,798,828
  5. Step 5: Solve for x
    x = 31,244,623,128,798,828/261,468,194.40
  6. Step 6: Final answer
    x = 119,496,840.53

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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.