Home / 145,222,405.60-217,833,608.40-53,105,965.60

Finding the Fourth Proportional to 145,222,405.60, 217,833,608.40 and 53,105,965.60

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Solution

The fourth proportional to 145,222,405.60, 217,833,608.40 and 53,105,965.60 is: 79,658,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,222,405.60 : 217,833,608.40 = 53,105,965.60 : x
  2. Step 2: Convert to fraction form
    145,222,405.60/217,833,608.40 = 53,105,965.60/x
  3. Step 3: Cross multiply
    145,222,405.60x = 217,833,608.40 × 53,105,965.60
  4. Step 4: Simplify right side
    145,222,405.60x = 11,568,264,114,214,272
  5. Step 5: Solve for x
    x = 11,568,264,114,214,272/145,222,405.60
  6. Step 6: Final answer
    x = 79,658,948.40

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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.