Home / 136,534,594.06-188,436,173.21-77,008,109.05

Finding the Fourth Proportional to 136,534,594.06, 188,436,173.21 and 77,008,109.05

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Solution

The fourth proportional to 136,534,594.06, 188,436,173.21 and 77,008,109.05 is: 106,281,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,534,594.06 : 188,436,173.21 = 77,008,109.05 : x
  2. Step 2: Convert to fraction form
    136,534,594.06/188,436,173.21 = 77,008,109.05/x
  3. Step 3: Cross multiply
    136,534,594.06x = 188,436,173.21 × 77,008,109.05
  4. Step 4: Simplify right side
    136,534,594.06x = 14,511,113,375,520,368
  5. Step 5: Solve for x
    x = 14,511,113,375,520,368/136,534,594.06
  6. Step 6: Final answer
    x = 106,281,587.28

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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.