Home / 123,202,999.97-170,019,873.86-67,447,968.47

Finding the Fourth Proportional to 123,202,999.97, 170,019,873.86 and 67,447,968.47

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Solution

The fourth proportional to 123,202,999.97, 170,019,873.86 and 67,447,968.47 is: 93,078,050.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,202,999.97 : 170,019,873.86 = 67,447,968.47 : x
  2. Step 2: Convert to fraction form
    123,202,999.97/170,019,873.86 = 67,447,968.47/x
  3. Step 3: Cross multiply
    123,202,999.97x = 170,019,873.86 × 67,447,968.47
  4. Step 4: Simplify right side
    123,202,999.97x = 11,467,495,091,402,154
  5. Step 5: Solve for x
    x = 11,467,495,091,402,154/123,202,999.97
  6. Step 6: Final answer
    x = 93,078,050.82

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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.