Home / 122,084,047.80-183,126,071.70-105,644,806.20

Finding the Fourth Proportional to 122,084,047.80, 183,126,071.70 and 105,644,806.20

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Solution

The fourth proportional to 122,084,047.80, 183,126,071.70 and 105,644,806.20 is: 158,467,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,084,047.80 : 183,126,071.70 = 105,644,806.20 : x
  2. Step 2: Convert to fraction form
    122,084,047.80/183,126,071.70 = 105,644,806.20/x
  3. Step 3: Cross multiply
    122,084,047.80x = 183,126,071.70 × 105,644,806.20
  4. Step 4: Simplify right side
    122,084,047.80x = 19,346,318,354,913,804
  5. Step 5: Solve for x
    x = 19,346,318,354,913,804/122,084,047.80
  6. Step 6: Final answer
    x = 158,467,209.30

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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.