Home / 403,749,143.10-605,623,714.65-131,147,466.30

Finding the Fourth Proportional to 403,749,143.10, 605,623,714.65 and 131,147,466.30

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Solution

The fourth proportional to 403,749,143.10, 605,623,714.65 and 131,147,466.30 is: 196,721,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,749,143.10 : 605,623,714.65 = 131,147,466.30 : x
  2. Step 2: Convert to fraction form
    403,749,143.10/605,623,714.65 = 131,147,466.30/x
  3. Step 3: Cross multiply
    403,749,143.10x = 605,623,714.65 × 131,147,466.30
  4. Step 4: Simplify right side
    403,749,143.10x = 79,426,015,707,541,680
  5. Step 5: Solve for x
    x = 79,426,015,707,541,680/403,749,143.10
  6. Step 6: Final answer
    x = 196,721,199.45

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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.