Home / 70,615,846.08-97,493,343.12-55,990,589.76

Finding the Fourth Proportional to 70,615,846.08, 97,493,343.12 and 55,990,589.76

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Solution

The fourth proportional to 70,615,846.08, 97,493,343.12 and 55,990,589.76 is: 77,301,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,615,846.08 : 97,493,343.12 = 55,990,589.76 : x
  2. Step 2: Convert to fraction form
    70,615,846.08/97,493,343.12 = 55,990,589.76/x
  3. Step 3: Cross multiply
    70,615,846.08x = 97,493,343.12 × 55,990,589.76
  4. Step 4: Simplify right side
    70,615,846.08x = 5,458,709,778,962,839
  5. Step 5: Solve for x
    x = 5,458,709,778,962,839/70,615,846.08
  6. Step 6: Final answer
    x = 77,301,485.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.