Home / 136,276,675.12-188,054,698.20-74,385,056.24

Finding the Fourth Proportional to 136,276,675.12, 188,054,698.20 and 74,385,056.24

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Solution

The fourth proportional to 136,276,675.12, 188,054,698.20 and 74,385,056.24 is: 102,647,494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,276,675.12 : 188,054,698.20 = 74,385,056.24 : x
  2. Step 2: Convert to fraction form
    136,276,675.12/188,054,698.20 = 74,385,056.24/x
  3. Step 3: Cross multiply
    136,276,675.12x = 188,054,698.20 × 74,385,056.24
  4. Step 4: Simplify right side
    136,276,675.12x = 13,988,459,301,803,224
  5. Step 5: Solve for x
    x = 13,988,459,301,803,224/136,276,675.12
  6. Step 6: Final answer
    x = 102,647,494.81

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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.