Home / 136,821,080.02-188,810,756.79-74,096,668.30

Finding the Fourth Proportional to 136,821,080.02, 188,810,756.79 and 74,096,668.30

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Solution

The fourth proportional to 136,821,080.02, 188,810,756.79 and 74,096,668.30 is: 102,252,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,821,080.02 : 188,810,756.79 = 74,096,668.30 : x
  2. Step 2: Convert to fraction form
    136,821,080.02/188,810,756.79 = 74,096,668.30/x
  3. Step 3: Cross multiply
    136,821,080.02x = 188,810,756.79 × 74,096,668.30
  4. Step 4: Simplify right side
    136,821,080.02x = 13,990,248,017,340,602
  5. Step 5: Solve for x
    x = 13,990,248,017,340,602/136,821,080.02
  6. Step 6: Final answer
    x = 102,252,138.45

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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.