Home / 130,759,815.72-180,448,537.14-75,787,558.68

Finding the Fourth Proportional to 130,759,815.72, 180,448,537.14 and 75,787,558.68

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Solution

The fourth proportional to 130,759,815.72, 180,448,537.14 and 75,787,558.68 is: 104,586,826.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,759,815.72 : 180,448,537.14 = 75,787,558.68 : x
  2. Step 2: Convert to fraction form
    130,759,815.72/180,448,537.14 = 75,787,558.68/x
  3. Step 3: Cross multiply
    130,759,815.72x = 180,448,537.14 × 75,787,558.68
  4. Step 4: Simplify right side
    130,759,815.72x = 13,675,754,097,217,910
  5. Step 5: Solve for x
    x = 13,675,754,097,217,910/130,759,815.72
  6. Step 6: Final answer
    x = 104,586,826.02

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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.