Home / 345,431,841.96-518,290,979.58-151,243,026.60

Finding the Fourth Proportional to 345,431,841.96, 518,290,979.58 and 151,243,026.60

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Solution

The fourth proportional to 345,431,841.96, 518,290,979.58 and 151,243,026.60 is: 226,927,245.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,431,841.96 : 518,290,979.58 = 151,243,026.60 : x
  2. Step 2: Convert to fraction form
    345,431,841.96/518,290,979.58 = 151,243,026.60/x
  3. Step 3: Cross multiply
    345,431,841.96x = 518,290,979.58 × 151,243,026.60
  4. Step 4: Simplify right side
    345,431,841.96x = 78,387,896,411,157,984
  5. Step 5: Solve for x
    x = 78,387,896,411,157,984/345,431,841.96
  6. Step 6: Final answer
    x = 226,927,245.52

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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.