Home / 282,838,186.74-390,350,676.75-171,325,755.66

Finding the Fourth Proportional to 282,838,186.74, 390,350,676.75 and 171,325,755.66

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Solution

The fourth proportional to 282,838,186.74, 390,350,676.75 and 171,325,755.66 is: 236,450,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,838,186.74 : 390,350,676.75 = 171,325,755.66 : x
  2. Step 2: Convert to fraction form
    282,838,186.74/390,350,676.75 = 171,325,755.66/x
  3. Step 3: Cross multiply
    282,838,186.74x = 390,350,676.75 × 171,325,755.66
  4. Step 4: Simplify right side
    282,838,186.74x = 66,877,124,667,407,480
  5. Step 5: Solve for x
    x = 66,877,124,667,407,480/282,838,186.74
  6. Step 6: Final answer
    x = 236,450,125.20

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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.