Home / 193,509,643.20-290,348,445.60-97,771,531.20

Finding the Fourth Proportional to 193,509,643.20, 290,348,445.60 and 97,771,531.20

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Solution

The fourth proportional to 193,509,643.20, 290,348,445.60 and 97,771,531.20 is: 146,699,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,509,643.20 : 290,348,445.60 = 97,771,531.20 : x
  2. Step 2: Convert to fraction form
    193,509,643.20/290,348,445.60 = 97,771,531.20/x
  3. Step 3: Cross multiply
    193,509,643.20x = 290,348,445.60 × 97,771,531.20
  4. Step 4: Simplify right side
    193,509,643.20x = 28,387,812,107,851,904
  5. Step 5: Solve for x
    x = 28,387,812,107,851,904/193,509,643.20
  6. Step 6: Final answer
    x = 146,699,728.44

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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.