Home / 134,575,668.12-185,714,586.90-72,696,007.56

Finding the Fourth Proportional to 134,575,668.12, 185,714,586.90 and 72,696,007.56

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Solution

The fourth proportional to 134,575,668.12, 185,714,586.90 and 72,696,007.56 is: 100,320,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,575,668.12 : 185,714,586.90 = 72,696,007.56 : x
  2. Step 2: Convert to fraction form
    134,575,668.12/185,714,586.90 = 72,696,007.56/x
  3. Step 3: Cross multiply
    134,575,668.12x = 185,714,586.90 × 72,696,007.56
  4. Step 4: Simplify right side
    134,575,668.12x = 13,500,709,013,284,678
  5. Step 5: Solve for x
    x = 13,500,709,013,284,678/134,575,668.12
  6. Step 6: Final answer
    x = 100,320,579.51

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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.