Home / 187,609,987.62-258,750,820.51-164,929,866.76

Finding the Fourth Proportional to 187,609,987.62, 258,750,820.51 and 164,929,866.76

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Solution

The fourth proportional to 187,609,987.62, 258,750,820.51 and 164,929,866.76 is: 227,470,503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,609,987.62 : 258,750,820.51 = 164,929,866.76 : x
  2. Step 2: Convert to fraction form
    187,609,987.62/258,750,820.51 = 164,929,866.76/x
  3. Step 3: Cross multiply
    187,609,987.62x = 258,750,820.51 × 164,929,866.76
  4. Step 4: Simplify right side
    187,609,987.62x = 42,675,738,350,666,088
  5. Step 5: Solve for x
    x = 42,675,738,350,666,088/187,609,987.62
  6. Step 6: Final answer
    x = 227,470,503.53

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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.