Home / 361,758,738.60-542,641,388.40-102,973,857.12

Finding the Fourth Proportional to 361,758,738.60, 542,641,388.40 and 102,973,857.12

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Solution

The fourth proportional to 361,758,738.60, 542,641,388.40 and 102,973,857.12 is: 154,461,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,758,738.60 : 542,641,388.40 = 102,973,857.12 : x
  2. Step 2: Convert to fraction form
    361,758,738.60/542,641,388.40 = 102,973,857.12/x
  3. Step 3: Cross multiply
    361,758,738.60x = 542,641,388.40 × 102,973,857.12
  4. Step 4: Simplify right side
    361,758,738.60x = 55,877,876,796,500,024
  5. Step 5: Solve for x
    x = 55,877,876,796,500,024/361,758,738.60
  6. Step 6: Final answer
    x = 154,461,719.47

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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.