Home / 187,272,021.60-280,908,032.40-96,572,757.60

Finding the Fourth Proportional to 187,272,021.60, 280,908,032.40 and 96,572,757.60

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Solution

The fourth proportional to 187,272,021.60, 280,908,032.40 and 96,572,757.60 is: 144,859,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,021.60 : 280,908,032.40 = 96,572,757.60 : x
  2. Step 2: Convert to fraction form
    187,272,021.60/280,908,032.40 = 96,572,757.60/x
  3. Step 3: Cross multiply
    187,272,021.60x = 280,908,032.40 × 96,572,757.60
  4. Step 4: Simplify right side
    187,272,021.60x = 27,128,063,320,858,144
  5. Step 5: Solve for x
    x = 27,128,063,320,858,144/187,272,021.60
  6. Step 6: Final answer
    x = 144,859,136.40

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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.