Home / 165,974,663.80-248,961,995.70-154,637,255.80

Finding the Fourth Proportional to 165,974,663.80, 248,961,995.70 and 154,637,255.80

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Solution

The fourth proportional to 165,974,663.80, 248,961,995.70 and 154,637,255.80 is: 231,955,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,974,663.80 : 248,961,995.70 = 154,637,255.80 : x
  2. Step 2: Convert to fraction form
    165,974,663.80/248,961,995.70 = 154,637,255.80/x
  3. Step 3: Cross multiply
    165,974,663.80x = 248,961,995.70 × 154,637,255.80
  4. Step 4: Simplify right side
    165,974,663.80x = 38,498,799,813,539,400
  5. Step 5: Solve for x
    x = 38,498,799,813,539,400/165,974,663.80
  6. Step 6: Final answer
    x = 231,955,883.70

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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.