Home / 445,845,802.60-668,768,703.90-154,616,134.60

Finding the Fourth Proportional to 445,845,802.60, 668,768,703.90 and 154,616,134.60

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Solution

The fourth proportional to 445,845,802.60, 668,768,703.90 and 154,616,134.60 is: 231,924,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,845,802.60 : 668,768,703.90 = 154,616,134.60 : x
  2. Step 2: Convert to fraction form
    445,845,802.60/668,768,703.90 = 154,616,134.60/x
  3. Step 3: Cross multiply
    445,845,802.60x = 668,768,703.90 × 154,616,134.60
  4. Step 4: Simplify right side
    445,845,802.60x = 103,402,431,938,469,936
  5. Step 5: Solve for x
    x = 103,402,431,938,469,936/445,845,802.60
  6. Step 6: Final answer
    x = 231,924,201.90

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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.