Home / 345,629,050.42-518,444,101.44-141,157,125.68

Finding the Fourth Proportional to 345,629,050.42, 518,444,101.44 and 141,157,125.68

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Solution

The fourth proportional to 345,629,050.42, 518,444,101.44 and 141,157,125.68 is: 211,735,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,629,050.42 : 518,444,101.44 = 141,157,125.68 : x
  2. Step 2: Convert to fraction form
    345,629,050.42/518,444,101.44 = 141,157,125.68/x
  3. Step 3: Cross multiply
    345,629,050.42x = 518,444,101.44 × 141,157,125.68
  4. Step 4: Simplify right side
    345,629,050.42x = 73,182,079,185,020,752
  5. Step 5: Solve for x
    x = 73,182,079,185,020,752/345,629,050.42
  6. Step 6: Final answer
    x = 211,735,903.26

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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.