Home / 136,810,994.81-188,799,354.90-74,087,201.03

Finding the Fourth Proportional to 136,810,994.81, 188,799,354.90 and 74,087,201.03

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Solution

The fourth proportional to 136,810,994.81, 188,799,354.90 and 74,087,201.03 is: 102,240,436.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,810,994.81 : 188,799,354.90 = 74,087,201.03 : x
  2. Step 2: Convert to fraction form
    136,810,994.81/188,799,354.90 = 74,087,201.03/x
  3. Step 3: Cross multiply
    136,810,994.81x = 188,799,354.90 × 74,087,201.03
  4. Step 4: Simplify right side
    136,810,994.81x = 13,987,615,759,866,620
  5. Step 5: Solve for x
    x = 13,987,615,759,866,620/136,810,994.81
  6. Step 6: Final answer
    x = 102,240,436.01

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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.