Home / 130,544,635.26-180,142,715.69-75,548,758.62

Finding the Fourth Proportional to 130,544,635.26, 180,142,715.69 and 75,548,758.62

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Solution

The fourth proportional to 130,544,635.26, 180,142,715.69 and 75,548,758.62 is: 104,252,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,544,635.26 : 180,142,715.69 = 75,548,758.62 : x
  2. Step 2: Convert to fraction form
    130,544,635.26/180,142,715.69 = 75,548,758.62/x
  3. Step 3: Cross multiply
    130,544,635.26x = 180,142,715.69 × 75,548,758.62
  4. Step 4: Simplify right side
    130,544,635.26x = 13,609,558,545,821,534
  5. Step 5: Solve for x
    x = 13,609,558,545,821,534/130,544,635.26
  6. Step 6: Final answer
    x = 104,252,147.31

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1.5x scale

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.