Home / 130,436,558.51-180,002,824.58-74,682,834.08

Finding the Fourth Proportional to 130,436,558.51, 180,002,824.58 and 74,682,834.08

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Solution

The fourth proportional to 130,436,558.51, 180,002,824.58 and 74,682,834.08 is: 103,062,525.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,436,558.51 : 180,002,824.58 = 74,682,834.08 : x
  2. Step 2: Convert to fraction form
    130,436,558.51/180,002,824.58 = 74,682,834.08/x
  3. Step 3: Cross multiply
    130,436,558.51x = 180,002,824.58 × 74,682,834.08
  4. Step 4: Simplify right side
    130,436,558.51x = 13,443,121,082,992,642
  5. Step 5: Solve for x
    x = 13,443,121,082,992,642/130,436,558.51
  6. Step 6: Final answer
    x = 103,062,525.08

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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.