Home / 186,842,841.44-257,838,125.67-103,209,172.04

Finding the Fourth Proportional to 186,842,841.44, 257,838,125.67 and 103,209,172.04

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Solution

The fourth proportional to 186,842,841.44, 257,838,125.67 and 103,209,172.04 is: 142,425,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,842,841.44 : 257,838,125.67 = 103,209,172.04 : x
  2. Step 2: Convert to fraction form
    186,842,841.44/257,838,125.67 = 103,209,172.04/x
  3. Step 3: Cross multiply
    186,842,841.44x = 257,838,125.67 × 103,209,172.04
  4. Step 4: Simplify right side
    186,842,841.44x = 26,611,259,469,456,976
  5. Step 5: Solve for x
    x = 26,611,259,469,456,976/186,842,841.44
  6. Step 6: Final answer
    x = 142,425,897.96

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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.