Home / 505,636,046.58-758,454,071.69-142,130,402.58

Finding the Fourth Proportional to 505,636,046.58, 758,454,071.69 and 142,130,402.58

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Solution

The fourth proportional to 505,636,046.58, 758,454,071.69 and 142,130,402.58 is: 213,195,604.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,636,046.58 : 758,454,071.69 = 142,130,402.58 : x
  2. Step 2: Convert to fraction form
    505,636,046.58/758,454,071.69 = 142,130,402.58/x
  3. Step 3: Cross multiply
    505,636,046.58x = 758,454,071.69 × 142,130,402.58
  4. Step 4: Simplify right side
    505,636,046.58x = 107,799,382,546,271,344
  5. Step 5: Solve for x
    x = 107,799,382,546,271,344/505,636,046.58
  6. Step 6: Final answer
    x = 213,195,604.38

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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.