Home / 129,673,987.83-194,199,268.64-74,173,611.60

Finding the Fourth Proportional to 129,673,987.83, 194,199,268.64 and 74,173,611.60

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Solution

The fourth proportional to 129,673,987.83, 194,199,268.64 and 74,173,611.60 is: 111,082,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,673,987.83 : 194,199,268.64 = 74,173,611.60 : x
  2. Step 2: Convert to fraction form
    129,673,987.83/194,199,268.64 = 74,173,611.60/x
  3. Step 3: Cross multiply
    129,673,987.83x = 194,199,268.64 × 74,173,611.60
  4. Step 4: Simplify right side
    129,673,987.83x = 14,404,461,124,736,550
  5. Step 5: Solve for x
    x = 14,404,461,124,736,550/129,673,987.83
  6. Step 6: Final answer
    x = 111,082,117.28

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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.