Home / 77,433,350.68-116,149,509.36-31,374,540.16

Finding the Fourth Proportional to 77,433,350.68, 116,149,509.36 and 31,374,540.16

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Solution

The fourth proportional to 77,433,350.68, 116,149,509.36 and 31,374,540.16 is: 47,061,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,433,350.68 : 116,149,509.36 = 31,374,540.16 : x
  2. Step 2: Convert to fraction form
    77,433,350.68/116,149,509.36 = 31,374,540.16/x
  3. Step 3: Cross multiply
    77,433,350.68x = 116,149,509.36 × 31,374,540.16
  4. Step 4: Simplify right side
    77,433,350.68x = 3,644,137,445,979,616
  5. Step 5: Solve for x
    x = 3,644,137,445,979,616/77,433,350.68
  6. Step 6: Final answer
    x = 47,061,600.90

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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.